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- By means of comparing with other loess section, paleomagnetic studies and spore-pollen analysis, age is ensured. 在研究古土壤性状的基础上,配合孢粉分析,可以勾画出北京低山丘陵区的环境变迁。
- Loess samples from the Weinan loess section were studied for chemical composition and major ele-ment distribution. 主要研究了渭南黄土剖面中主要化学组分的分布特征、影响因素以及它们在风化成土过程中的迁移富集规律。
- A 2000 year difference between the 14C ages of fossil and organic soil matter might indicate that a sediment gap exists, which is very important when reconstructing paleoclimate by loess section. 由于同一层位骨化石、土壤有机质、土壤无机质14C测年结果差异,在进行化石年代确定、考古及古文明研究、生态植被恢复、土壤无机碳存储库研究中,年龄的界定应选择相应的测年数据。
- the typical Luochuan loess section 洛川黄土剖面
- Bridge Foundation Construction of Waterish Loess Section 湿陷性黄土路段桥梁基础施工
- He has lived one section of miserable life. 他过了一段悲惨的生活。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- STUDY OF THE GRANULITY AND SPORO-POLLEN IN THE OLDEST LOESS SECTION OF THE LANZHOU AREA, GANSU 兰州地区最古老黄土剖面的粒度学及孢粉学研究
- A hinged or removable section for a table top. 活动桌面桌子上部有铰链连接或可移动的部分
- Treatments of Small Bridge-culvert Foundation of Collapsibility Loess Section of Fu-Chao Freeway 阜朝高速公路湿陷性黄土段小桥涵地基的处治
- First the surgeon performed the section of the blood vessel. 外科医生首先切开血管。
- He lived in a quiet section of uptown. 他住在住宅区的一个安静的地段。
- He occupied the other section of Martin's house. 他占用了马丁房子的另一部分。
- Most loess is considered to be an eolian deposit. 大多数黄土被认为是一种风成沉积。
- The architect drew the house in section. 建筑师画出房子的剖面图。
- RECONSTRUCTION OF THE HIGH RESOLUTION TIMESCALE IN THE WEINAN LOESS SECTION OF THE LATE QUATERNARY 末次间冰期以来渭南黄土剖面高分辨率古气候时间标尺
- The last section sums up all the arguments on either side. 最后一部分总结了双方的全部论点。
- "The ancient, desolate loess plateau. “苍凉古老的黄土高原。
- A desk with a top section for books. 有抽屉或分类格的写字台
- A single roll or a rolled section. 一卷东西或被卷起来的一段