古

It plays an important part in the study of regional stratigraphy, palaeogeography, palaeoclimatology and tectonics for both the North China and the Yangtze Blocks.

华北地块南缘的上震旦统顶部的罗圈组，对研究华北及扬子区大地构造、古地理、古气候及区域地层有重要意义。

There are many types of palaeogeographic maps. They are the concentrated expression of the results of palaeogeographic studies.

不同分支学科形成不同类型的古地理图，它们是古地理学研究成果的集中体现。

Paleomagnetic data collection and application are the important basis for palaeogeographic reconstruction.

古地磁数据的获取和应用是进行古地理再造的重要基础。

The development of computer technology and the popularization of GIS greatly promote the innovation of palaeogeographic reconstruction, which provide a more convenient and efficient software platform.

同时，计算机技术的发展以及GIS技术的推广，极大地推动了古地理再造方法的革新，为古地理再造提供了更加方便、高效的软件辅助平台。

According to the palaeogeographic background analysis on the basis of palaeogeomorphology, the authors reconstruct the provenance system and the structural framework of study area.

在古地貌恢复的基础上，重建了古地理背景，构建了各沉积时期基本的物源系统和构造格架。

There are two ways for non-autochthonous palaeogeographic reconstruction: quantitative (for example, based on palaeomagnetic data) and qualitative ones.

非原地的古地理重建可通过定量的（如基于古地磁资料的重建）和定性的两条途径实现。

The most important character of these two lithofacies palaeogeography maps is quantification. Quantification means that the determination of each palaeogeographic unit is based on the accurate quantitative data and single factor map.

这两幅古地理图的最大特征是定量，即每个古地理单元的划分和确定都有确切的定量和单因素图和数据为依据。

Therefore, palaeoclimate, palaeogeographic conditions, sedimentary environment and tectonic action jointly contributed to the formation and effective production of shale gas in North America.

因此，古气候、古地理条件以及沉积环境、构造作用等因素的综合，使得北美页岩气资源形成并不断得到有效开发。

Palaeogeography is a branch of geosciences, which studies natural geographical features in the geological history. The research targets are the evolution history of oceans and continents, and the distribution and characteristics of the internal palaeogeographic units.

古地理学是研究地质历史时期自然地理特征的地质科学，其研究目标是海洋和陆地的变迁历史及其内部古地理单元的分布和特征。

With the combination of the key points in the areas, the paper works out sequence lithofaeies Palaeogeography map and studies sequence Palaeogeographic evolution and distribution of various Periods.

点面结合，首次编制了以超层序为编图单元的层序岩相古地理图，揭示了不同时期层序岩相古地理的演化和分布规律。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。