Please help us improve the quality of example sentences! Edit on Github

三叶虫是进化迅速的种型,并广泛用在生物地层学的研究上。Trilobites were rapidly evolving forms and are of widespread use in biostratigraphic studies.

古生物地层数据库建设是一项长期而意义深远的学科基础工程。Construction of a biostratigraphic database is a long-term basic disciplinary project of far-reaching significance.

Other words in sentence

陆相白垩-古近系过渡段的生物地层记录通常稀少而不连续。The biostratigraphic records of the Cretaceous-Paleogene transition are often discontinuous and scarce in the continental domain.

依据生物地层学资料和层序顺序,将这些层序与台地相区沉积层序逐一进行了对比。The correlation between these sequences and the depositional sequences of the plat were given on the basis of biostratigraphic data.

然而,现有生物地层数据有限决议解决沉淀不能在这个区间的变化率。However, the limited resolution of existing biostratigraphic data cannot resolve variations in sedimentation rate during this interval.

华南二叠-三叠系界线研究应严格区分事件地层界线与生物地层界线。Eventostratigraphic boundary and biostratigraphic boundary have to be clearly distinguished in the study of the Permian-Triassic boundary in South China.

本文为我国首次采用生物地层法探讨西太平洋麦哲伦海山区富钴结壳的生长年代。The age of cobalt-rich crusts from the Magellan Seamount in the western Pacific has been first approached by using the method of biostratigraphic dating.

Other words in sentence

英买力地区以往划分出侏罗系,但因证据不足而引发争论。The presence of the Jurassic strata in the Yingmaili area, Tabei Uplift, Tarim Basin, is controversial because of the lack of strong biostratigraphic evidence.

研究表明西南地区峨眉山玄武岩下伏茅口组的部分缺失是峨眉山地幔柱的快速上升及其所形成的地壳穹状隆起造成的。Regional biostratigraphic investigation of the Maokou Formation leads to the proposal that a rapid crustal uplift and doming prior to the eruption of the Emeishan basalts.

利用地震反射剖面的多组数据、电缆测井和生物地层检验单来描述沉积体系和石油体系要素。Multiple data sets of seismic reflection profiles, wireline logs, and biostratigraphic checklists are used to characterize depositional systems and delineate petroleum system elements.

并与浙江长兴、杭州、常山地区的老虎洞组、黄龙组剖面进行了生物地层和岩石地层的划分对比。Moreover, the biostratigraphic and lithostratigraphic correlation has been made between this section and the section of the two formations in Changxing, Hangzhou and Changshan in Zhejiang.

简要介绍了蜉蝣分类系统及系统发育、稚虫食性、与其它昆虫的关系和古生态等方面的研究成果。Phylogeny and higher classification of mayflies, feeding habits of nymphs, relationship with other insects, paleoecology and important value in biostratigraphic correlation are briefly summarized.