SIGNIFICANT TRIASSIC VOLCANIC-MAGMATIC EVENT IN THE NORTHERN SONGLIAO BASIN: Constraints on the Late Paleozoic Stratigraphic Timing
-
摘要:
对松辽盆地北部黑富地3井所钻遇的侵入岩进行同位素U-Pb年代学分析，以探讨其形成期次和构造演化特征，并对所侵入的地层进行时代约束.测试分析结果显示，锆石206Pb/238U年龄的加权平均值为245.5±1.9 Ma，表明侵入岩的结晶年龄为早中三叠世，指示松辽盆地北部发育早中三叠世岩浆热事件.同时存在两组捕获的锆石年龄，一组介于269~295 Ma，年龄的加权平均值为289.0±6 Ma；另一组为313~353 Ma，年龄的加权平均值为338.0±3 Ma.捕获的锆石年龄指示松辽盆地北部基底或深部至少还经历了石炭纪和早-中二叠世等火山活动及岩浆侵位等事件.导致岩浆热事件的构造机制应与古亚洲洋的碰撞拼合及碰撞后的伸展体制有关.脉岩的结晶侵位年龄限制了地层的沉积时代上限，即碎屑岩地层是在245.5±1.9 Ma之前固结成岩.综合其他地质依据，证明碎屑岩层系为晚二叠世林西组.
Abstract:The isotopic U-Pb chronology of intrusive rocks in HFD-3 well in northern Songliao Basin is analyzed to study the formation age and tectonic evolution and determine the timing of invaded strata. The results show that the weighted average of zircon 206Pb/238U age is 245.5±1.9 Ma, which reflects the crystallization age of intrusive rock is Early-Middle Triassic, indicating the development of Early-Middle Triassic magmatic thermal event in northern Songliao Basin. There are also two groups of zircon ages: 269-295 Ma and 313-353 Ma, with the weighted averages of 289.0±6 Ma and 338.0±3 Ma respectively, indicating the basement or deep part of northern Songliao Basin underwent at least once Carboniferous and Early-Middle Permian volcanic activity and magma emplacement event. The tectonic mechanism leading to the magmatic thermal event should be related to the collision and post-collision extension of Paleo-Asian Ocean. The crystallization emplacement age of dike constrains the upper limit of sedimentary age of strata; that means, the clastic formation was consolidated before 245.5±1.9 Ma. Combined with other geological evidence, it is proved that the clastic rocks belong to the Late Permian Linxi Formation.
-
Key words:
- Songliao Basin /
- diorite porphyrite /
- zircon U-Pb age /
- Early-Middle Triassic /
- magmatic event
-
-
表 1 闪长玢岩锆石U-Pb定年数据
Table 1. Zircon U-Pb dating results of diorite porphyrite
测点 含量/10-6 Th/U 同位素比值及误差 年龄/Ma Th U Pb 207Pb/206Pb ±1σ 207Pb/235U ±1σ 206Pb/238U ±1σ 207Pb/206Pb ±1σ 207Pb/235U ±1σ 206Pb/238U ±1σ 1 550.78 264.70 241.21 2.08 0.0528 0.0035 0.3100 0.0199 0.0426 0.0008 319 113 274 15 269 5 2 423.27 189.74 154.09 2.23 0.0552 0.0077 0.2937 0.0407 0.0386 0.0009 422 269 261 32 244 6 3 922.58 299.53 562.43 3.08 0.0557 0.0016 0.4795 0.0134 0.0624 0.0008 442 40 398 9 390 5 4 673.97 216.68 267.60 3.11 0.0515 0.0051 0.2713 0.0260 0.0382 0.0009 262 171 244 21 242 6 5 299.62 119.77 149.39 2.50 0.0461 0.0040 0.2839 0.0243 0.0447 0.0007 262 192 254 19 282 4 6 302.05 100.77 311.44 3.00 0.1737 0.0112 1.1198 0.0674 0.0468 0.0013 2593 64 763 32 295 8 7 420.68 214.26 237.43 1.96 0.0546 0.0019 0.4048 0.0140 0.0538 0.0007 396 53 345 10 338 4 8 218.53 83.72 121.60 2.61 0.0558 0.0067 0.4108 0.0481 0.0534 0.0016 443 207 349 35 335 10 9 1214.29 263.24 653.03 4.61 0.0562 0.0047 0.4101 0.0339 0.0530 0.0008 458 157 349 24 333 5 10 302.53 154.43 127.52 1.96 0.0551 0.0118 0.2905 0.0612 0.0383 0.0015 414 365 259 48 242 10 11 92.65 41.46 45.87 2.23 0.0544 0.0197 0.3724 0.1342 0.0497 0.0025 386 582 321 99 313 15 12 2132.14 393.14 1095.12 5.42 0.0529 0.0022 0.3383 0.0141 0.0464 0.0007 323 68 296 11 292 4 13 771.96 173.54 433.69 4.45 0.0545 0.0020 0.4057 0.0149 0.0540 0.0007 393 58 346 11 339 5 14 1173.21 461.30 577.58 2.54 0.0523 0.0014 0.3316 0.0087 0.0460 0.0006 298 38 291 7 290 3 15 542.67 165.10 330.73 3.29 0.0545 0.0021 0.4072 0.0154 0.0542 0.0008 390 60 347 11 341 5 16 398.06 142.88 207.09 2.79 0.0529 0.0036 0.3329 0.0220 0.0456 0.0009 326 116 292 17 288 5 17 3027.17 609.96 1712.35 4.96 0.0543 0.0012 0.4026 0.0086 0.0538 0.0006 383 28 344 6 338 4 18 736.27 128.78 518.40 5.72 0.0461 0.0029 0.1881 0.0103 0.0296 0.0009 383 135 175 9 188 5 19 659.09 134.16 278.27 4.91 0.0511 0.0029 0.2741 0.0152 0.0389 0.0006 245 97 246 12 246 4 20 250.91 41.56 148.48 6.04 0.0541 0.0065 0.4194 0.0493 0.0562 0.0017 375 211 356 35 353 10 21 142.01 47.58 57.70 2.98 0.0516 0.0165 0.2784 0.0884 0.0391 0.0017 268 499 249 70 247 11 22 844.09 277.12 384.88 3.05 0.0540 0.0034 0.2904 0.0179 0.0390 0.0007 370 107 259 14 247 4 23 1219.23 136.41 682.29 8.94 0.0548 0.0030 0.4033 0.0217 0.0534 0.0009 405 91 344 16 335 5 24 247.22 87.44 115.60 2.83 0.0538 0.0055 0.2892 0.0286 0.0390 0.0010 363 177 258 23 247 6 25 241.19 117.13 111.83 2.06 0.0530 0.0049 0.2828 0.0258 0.0387 0.0009 328 163 253 20 245 6 
下载: 导出CSV
-
[1] 任战利, 萧德铭, 迟元林. 松辽盆地基底石炭-二叠系烃源岩生气期研究[J]. 自然科学进展, 2006, 16(8): 974-979. doi: 10.3321/j.issn:1002-008X.2006.08.009
Ren Z L, Xiao D M, Chi Y L. Study on the generation period of Carboniferous-Permian source rocks in the basement of Songliao Basin[J]. Progress in Natural Science, 2006, 16(8): 974-979. (in Chinese) doi: 10.3321/j.issn:1002-008X.2006.08.009
[2] Chen Z M, Guan D S. Comprehensive study and target evaluation of deep petroleum geology in Northeast China[R]. Anda: Daqing Petroleum Institute, 2000: 115-128. (in Chinese)
[3] 张健, 孙雷, 何大祥, 等. 松辽盆地滨北西部上二叠统林西组烃源岩生物标志化合物的特征及意义[J]. 地质与资源, 2019, 28(4): 350-357. doi: 10.3969/j.issn.1671-1947.2019.04.007 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/abstract/abstract8359.shtml
Zhang J, Sun L, He D X, et al. Biomarker compounds in the source rocks of upper Permian Linxi Formation in Western Binbei area, Songliao Basin: Characteristics and implications[J]. Geology and Resources, 2019, 28(4): 350-357. doi: 10.3969/j.issn.1671-1947.2019.04.007 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/abstract/abstract8359.shtml
[4] 郑月娟, 黄欣, 孙跃武, 等. 松辽盆地及外围石炭系-二叠系划分与对比[J]. 地质与资源, 2018, 27(1): 1-15. doi: 10.3969/j.issn.1671-1947.2018.01.001 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/abstract/abstract8428.shtml
Zheng Y J, Huang X, Sun Y W, et al. The Carboniferous-Permian stratigraphic division and correlation in the Songliao Basin and its peripheral areas[J]. Geology and Resources, 2018, 27(1): 1-15. doi: 10.3969/j.issn.1671-1947.2018.01.001 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/abstract/abstract8428.shtml
[5] 王清海, 许文良. 松辽盆地形成与演化的深部作用过程——中生代火山探针[J]. 吉林大学学报(地球科学版), 2003, 33(1): 37-42. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ200301007.htm
Wang Q H, Xu W L. The deep process of formation and evolution of Songliao Basin: Mesozoic volcanic rock probe[J]. Journal of Jilin University (Earth Science Edition), 2003, 33(1): 37-42. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ200301007.htm
[6] 张健, 张海华, 陈树旺, 等. 松辽盆地北部上二叠统林西组地球化学特征及地质意义[J]. 吉林大学学报(地球科学版), 2020, 50(2): 518-530. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ202002017.htm
Zhang J, Zhang H H, Chen S W, et al. Geochemical characteristics and geological significance of Upper Permian Linxi Formation in Northern Songliao Basin[J]. Journal of Jilin University (Earth Science Edition), 2020, 50(2): 518-530. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ202002017.htm
[7] 王晓波, 李剑, 王东良, 等. 松辽盆地北部浅层气分布、成藏控制因素及有利勘探方向分析[J]. 东北石油大学学报, 2013, 37(6): 1-11. doi: 10.3969/j.issn.2095-4107.2013.06.001
Wang X B, Li J, Wang D L, et al. Analysis of shallow gas distribution rules, controlling factors of reservoir formation and exploration directions in Northern Songliao Basin[J]. Journal of Northeast Petroleum University, 2013, 37(6): 1-11. doi: 10.3969/j.issn.2095-4107.2013.06.001
[8] 姜福杰, 庞雄奇, 柳广弟, 等. 松辽盆地滨北地区扶杨储层油气优势运移通道[J]. 现代地质, 2010, 24(6): 1112-1116, 1125. doi: 10.3969/j.issn.1000-8527.2010.06.012
Jiang F J, Pang X Q, Liu G D, et al. Dominant petroleum migration pathways of Fuyang reservoir in Binbei area, Songliao Basin[J]. Geoscience, 2010, 24(6): 1112-1116, 1125. doi: 10.3969/j.issn.1000-8527.2010.06.012
[9] 宋彪, 张玉海, 万渝生, 等. 锆石SHRIMP样品靶制作、年龄测定及有关现象讨论[J]. 地质论评, 2002, 48(S1): 26-30. https://www.cnki.com.cn/Article/CJFDTOTAL-DZLP2002S1006.htm
Song B, Zhang Y H, Wan Y S. Mount making and procedure of the SHRIMP dating[J]. Geological Review, 2002, 48(S1): 26-30. https://www.cnki.com.cn/Article/CJFDTOTAL-DZLP2002S1006.htm
[10] Pearce N J G, Perkins W T, Westgate J A, et al. A compilation of new and published major and trace element data for NIST SRM 610 and NIST SRM 612 glass reference materials[J]. Geostandards Newsletter, 1997, 21(1): 115-144. doi: 10.1111/j.1751-908X.1997.tb00538.x
[11] Black L P, Kamo S L, Allen C M, et al. TEMORA 1: A new zircon standard for Phanerozoic U-Pb geochronology[J]. Chemical Geology, 2003, 200(1/2): 155-170.
[12] 李献华, 唐国强, 龚冰, 等. Qinghu(清湖)锆石: 一个新的U-Pb年龄和O, Hf同位素微区分析工作标样[J]. 科学通报, 2013, 58(20): 1954-1961. https://www.cnki.com.cn/Article/CJFDTOTAL-KXTB201320010.htm
Li X H, Tang G Q, Guo B, et al. Qinghu zircon: A working reference for microbeam analysis of U-Pb age and Hf and O isotopes[J]. Chin Sci Bull, 2013, 58(20): 1954-1961. https://www.cnki.com.cn/Article/CJFDTOTAL-KXTB201320010.htm
[13] Anderson T. Correction of common lead in U-Pb analyses that do not report 204Pb[J]. Chemical Geology, 2002, 192(1/2): 59-79.
[14] 侯贺晟, 王成善, 张交东, 等. 松辽盆地大陆深部科学钻探地球科学研究进展[J]. 中国地质, 2018, 45(4): 641-657. https://www.cnki.com.cn/Article/CJFDTOTAL-DIZI201804002.htm
Hou H S, Wang C S, Zhang J D, et al. Deep continental scientific drilling engineering in Songliao Basin: Resource discovery and progress in earth science research[J]. Geology in China, 2018, 45(4): 641-657. https://www.cnki.com.cn/Article/CJFDTOTAL-DIZI201804002.htm
[15] 余星, 肖俊, 陈汉林, 等. 松辽盆地基底显生宙岩浆热事件: 来自营城组火山岩捕获锆石的SHRIMP定年证据[J]. 岩石学报, 2008, 24(5): 1123-1130. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB200805019.htm
Yu X, Xiao J, Chen H L, et al. Phanerozoic magmatic events in the basement of Songliao Basin: SHRIMP dating of captured zircons from Yingcheng formation volcanic rocks[J]. Acta Petrologica Sinica, 2008, 24(5): 1123-1130. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB200805019.htm
[16] 裴福萍, 许文良, 杨德彬, 等. 松辽盆地南部中生代火山岩: 锆石U-Pb年代学及其对基底性质的制约[J]. 地球科学——中国地质大学学报, 2008, 33(5): 603-617. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200805005.htm
Pei F P, Xu W L, Yang D B, et al. Mesozoic volcanic rocks in the Southern Songliao Basin: Zircon U-Pb ages and their constraints on the nature of basin basement[J]. Earth Science-Journal of China University of Geosciences, 2008, 33(5): 603-617. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200805005.htm
[17] 陈树旺, 张健, 郑月娟, 等. 松辽盆地西部斜坡区上古生界油气地质调查进展与发现[J]. 中国地质调查, 2019, 6(1): 1-9. https://www.cnki.com.cn/Article/CJFDTOTAL-DZDC201901001.htm
Chen S W, Zhang J, Zheng Y J, et al. Progresses and discoveries of geological survey on oil and gas resources related to the Upper Paleozoic in the western slope of Songliao Basin[J]. Geological Survey of China, 2019, 6(1): 1-9. https://www.cnki.com.cn/Article/CJFDTOTAL-DZDC201901001.htm
[18] 杨雅军, 张立东, 张立君, 等. 大兴安岭地区三叠系划分与对比[J]. 地质与资源, 2012, 21(1): 67-73. doi: 10.3969/j.issn.1671-1947.2012.01.010 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/abstract/abstract9014.shtml
Yang Y J, Zhang L D, Zhang L J, et al. Division and correlation of the Triassic strata in Daxinganling region[J]. Geology and Resources, 2012, 21(1): 67-73. doi: 10.3969/j.issn.1671-1947.2012.01.010 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/abstract/abstract9014.shtml
[19] 司秋亮, 王恩德, 唐振, 等. 大兴安岭中段哈达陶勒盖组火山岩U-Pb定年及成因[J]. 东北大学学报(自然科学版), 2018, 39(12): 1779-1782. doi: 10.12068/j.issn.1005-3026.2018.12.021
Si Q L, Wang E D, Tang Z, et al. Zircon U-Pb dating and petrogenesis of volcanic rocks in Hadataolegai Formation, middle Great Xing'an Range[J]. Journal of Northeastern University (Natural Science), 2018, 39(12): 1779-1782. doi: 10.12068/j.issn.1005-3026.2018.12.021
[20] 张海华, 郑月娟, 陈树旺, 等. 内蒙古科尔沁右翼中旗三叠纪花岗质岩锆石U-Pb年龄、地球化学特征及其地质意义[J]. 吉林大学学报(地球科学版), 2015, 45(2): 417-428. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ201502008.htm
Zhang H H, Zheng Y J, Chen S W, et al. Zircon U-Pb age, geochemical characteristics and geological significance of the Triassic granite in Keerqinyouyizhongqi, Inner Mongolia[J]. Journal of Jilin University (Earth Science Edition), 2015, 45(2): 417-428. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ201502008.htm
[21] 葛文春, 吴福元, 周长勇, 等. 大兴安岭中部乌兰浩特地区中生代花岗岩的锆石U-Pb年龄及地质意义[J]. 岩石学报, 2005, 21(3): 749-762. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB200503016.htm
Ge W C, Wu F Y, Zhou C Y, et al. Zircon U-Pb ages and its significance of the Mesozoic granites in the Wulanhaote region, central Da Hinggan Mountain[J]. Acta Petrologica Sinica, 2005, 21(3): 749-762. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB200503016.htm
[22] 孙德有, 吴福元, 高山. 小兴安岭东部清水岩体的锆石激光探针U-Pb年龄测定[J]. 地球学报, 2004, 25(2): 213-218. doi: 10.3321/j.issn:1006-3021.2004.02.023
Sun D Y, Wu F Y, Gao S. LAICPMS zircon U-Pb age of the Qingshui pluton in the East Xiao Hinggan Mountains[J]. Acta Geoscientica Sinica, 2004, 25(2): 213-218. doi: 10.3321/j.issn:1006-3021.2004.02.023
[23] 张海华, 李永飞, 张健, 等. 大兴安岭中部乌兰浩特地区花岗岩锆石U-Pb年龄、地球化学特征及构造意义[J]. 现代地质, 2020, 34(3): 483-493. https://www.cnki.com.cn/Article/CJFDTOTAL-XDDZ202003006.htm
Zhagn H H, Li Y F, Zhang J, et al. Zircon U-Pb age, geochemical characteristics and tectonic implications of granites in the Wulanhaote area, central Daxing'an Mountains[J]. Geoscience, 2020, 34(3): 483-493. https://www.cnki.com.cn/Article/CJFDTOTAL-XDDZ202003006.htm
[24] 贾维馨, 姜琦刚, 王冬艳, 等. 松辽盆地南缘基性岩脉中捕获锆石U-Pb年龄及其对基底岩浆事件的制约[J]. 岩石学报, 2016, 32(9): 2881-2888. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB201609020.htm
Jia W X, Jiang Q G, Wang D Y, et al. Captured zircon U-Pb ages in the mafic dike and constraints of the magmatic events in the basement of southern Songliao Basin[J]. Acta Petrologica Sinica, 2016, 32(9): 2881-2888. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB201609020.htm
[25] 周长勇, 吴福元, 葛文春, 等. 大兴安岭北部塔河堆晶辉长岩体的形成时代、地球化学特征及其成因[J]. 岩石学报, 2005, 21(3): 763-775. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB200503017.htm
Zhou C Y, Wu F Y, Ge W C, et al. Age, geochemistry and petrogenesis of the cumulate gabbro in Tabe, Northern Da Hinggan Mountain[J]. Acta Petrologica Sinica, 2005, 21(3): 763-775. https://www.cnki.com.cn/Article/CJFDTOTAL-YSXB200503017.htm
[26] 洪大卫, 黄怀曾, 肖宜君, 等. 内蒙古中部二叠纪碱性花岗岩及其地球动力学意义[J]. 地质学报, 1994, 68(3): 219-230. doi: 10.3321/j.issn:0001-5717.1994.03.001
Hong D W, Huang H Z, Xiao Y J, et al. The Permian alkaline granites in central Inner Mongolia and their geodynamic significance[J]. Acta Geologica Sinica, 1994, 68(3): 219-230. doi: 10.3321/j.issn:0001-5717.1994.03.001
[27] 陈斌, 赵国春, Wilde S. 内蒙古苏尼特左旗南两类花岗岩同位素年代学及其构造意义[J]. 地质论评, 2001, 47(4): 361-367. doi: 10.3321/j.issn:0371-5736.2001.04.005
Chen B, Zhao G C, Wilde S. Subduction and collision related granitoids from southern Sonidzuoqi, Inner Mongolia: Isotopic ages and tectonic implications[J]. Geological Review, 2001, 47(4): 361-367. doi: 10.3321/j.issn:0371-5736.2001.04.005
[28] 石玉若, 刘敦一, 张旗, 等. 内蒙古苏左旗地区闪长-花岗岩类SHRIMP年代学[J]. 地质学报, 2004, 78(6): 789-799. doi: 10.3321/j.issn:0001-5717.2004.06.009
Shi Y R, Liu D Y, Zhang Q, et al. SHRIMP dating of diorites and granites in Southern Suzuoqi, Inner Mongolia[J]. Acta Geologica Sinica, 2004, 78(6): 789-799. doi: 10.3321/j.issn:0001-5717.2004.06.009
[29] 石玉若, 刘敦一, 简平, 等. 内蒙古中部苏尼特左旗富钾花岗岩锆石SHRIMP U-Pb年龄[J]. 地质通报, 2005, 24(5): 424-428. doi: 10.3969/j.issn.1671-2552.2005.05.006
Shi Y R, Liu D Y, Jian P, et al. Zircon SHRIMP dating of K-rich granites in Sonid Zuoqi, central Inner Mongolia[J]. Geological Bulletin of China, 2005, 24(5): 424-428. doi: 10.3969/j.issn.1671-2552.2005.05.006
[30] 石玉若, 刘敦一, 张旗, 等. 内蒙古中部苏尼特左旗地区三叠纪A型花岗岩锆石SHRIMP U-Pb年龄及其区域构造意义[J]. 地质通报, 2007, 26(2): 183-189. doi: 10.3969/j.issn.1671-2552.2007.02.009
Shi Y R, Liu D Y, Zhang Q, et al. SHRIMP U-Pb zircon dating of Triassic A-type granites in Sonid Zuoqi, central Inner Mongolia, China and its tectonic implications[J]. Geological Bulletin of China, 2007, 26(2): 183-189. doi: 10.3969/j.issn.1671-2552.2007.02.009
[31] 刘建峰. 内蒙古林西-东乌旗地区晚古生代岩浆作用及其对区域构造演化的制约[D]. 长春: 吉林大学, 2009.
Liu J F. Late Paleozoic magmatism and its constraints on regional tectonic evolution in Linxi-Dong Wuqi area, Inner Mongolia[D] Changchun: Jilin University, 2009. (in Chinese)
[32] 宋卫卫, 周建波, 郭晓丹, 等. 松辽地块大地构造属性: 古生界碎屑锆石年代学的制约[J]. 世界地质, 2012, 31(3): 522-535. doi: 10.3969/j.issn.1004-5589.2012.03.009
Song W W, Zhou J B, Guo X D, et al. Geotectonic setting of Songliao block: Restriction from Paleozoic detrital zircon U-Pb dating[J]. Global Geology, 2012, 31(3): 522-535. doi: 10.3969/j.issn.1004-5589.2012.03.009
[33] Chen B, Jahn B M, Tian W. Evolution of the Solonker suture zone: Constraints from zircon U-Pb ages, Hf isotopic ratios and whole-rock Nd-Sr isotope compositions of subduction-and collision-related magmas and fore-arc sediments[J]. Journal of Asian Earth Sciences, 2009, 34(3): 245-257. doi: 10.1016/j.jseaes.2008.05.007
-
图(6)
表(1)
计量
- 文章访问数: 1024
- PDF下载数: 5
- 施引文献: 0