The manifold information about migration direction, migration phase, source and retention condition of natural gas, as well as gas reservoir connectivity and partition using analytic information about light ends fingerprint of natural gas and carbon isotope.
利用天然气轻烃指纹和碳同位素分析资料，能够提供天然气运移方向、运移相态、气源、保存条件，以及气藏连通与分隔性方面的多种信息。
By introducing numerical manifold method with two sets of analytic grid, i. e., the net of mathematics and physics covers and making use of its maneuverability for disposing of the question of simulation of excavation, this paper emphatically solved numerical manifold method in simulation of excavation.
利用数值流形方法具有两套分析网格即数学覆盖网格和物理覆盖网格，因而处理开挖模拟问题具有灵活性的特点，重点解决了数值流形分析的开挖模拟分析方法问题；
The investigation of the curvature and topology as well as Mobius characterization of Riemannian manifold is to investigate the curvature and analytic structure and the geometry phenomenon which included in the curvature and analytic structure.
bius特性主要研究黎曼流形的曲率和解析结构以及这种曲率和解析结构所蕴含的几何与拓扑现象，研究黎曼流形在共形群下的不变量以及利用这些不变量所刻画的几何与拓扑性质。