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- The acritarch assemblage available can be used fur biostratigraphic correlation of the Qingbaikou System in the vast Yanshan region, North China. 以上疑源类的稳定性和可比性，可作为具有广泛生物地层对比依据。
- Donglingtai volcanism is an exhibition of the crustal heating by intraplated basaltic magma in Yanshan region during middle Early Cretaceous epoch. 燕山早白垩世早、中期大规模高钾钙碱性岩浆活动很可能是幔源岩浆与陆壳发生熔融反应的产物。
- It is suggested that the deposition of the Qingbaikou system in the Yanshan region represents the cover of the North China block. 认为燕山青白口纪的沉积为华北陆块上真正的盖层沉积。
- The Yanshan region is one of the regions where the Neoproterozoic Qingbaikou system is well developed. 摘要燕山地区是中国新元古界青白口系出露最好、层序较为完整的地区。
- Based on the study and correlation of sequences, the stratigraphic framework of the Qingbaikou system of the Yanshan region is set up, and the evolution of paleogeography is discussed. 在层序划分和对比基础上建立了燕山地区青白口纪的地层沉积格架并对其古地理演化进行了探讨。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- He is earning a salary in the region of25,000. 他当时的薪金在25,000英镑左右。
- A storm that cut off power to the whole region. 切断了整个地区电力供应的暴风雨
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- A vineyard or wine-producing region in France. 克鲁法国的葡萄园或葡萄酒生产区
- Food and fuel were scarce in this region. 这地区食物和燃料都很缺乏。
- There used to be a military base in the region. 这地区过去有个军事基地。
- He is an authority in the region of chemistry. 他是化学界的权威。
- China Yanshan United Foreign Trade Company Ltd . 中国燕山联合对外贸易有限公司
- I have a pain in the lumbar region. 我腰部疼痛。
- Wuhan Yanshan Lubricating Oil Co., Ltd. 武汉燕山润滑油股份公司。
- There used to be a lot of troubles in that region. 那个地区过去动乱不已。
- Yanshan Levigation Precision Machinery Co., Ltd. 燕山粉研精机有限公司。
