This paper sets up a detailed dynamic model of the body-in-white of a bus, using mainly the shell element.
本文以壳单元为主，建立了某客车白车身详细动力学模型。
Sufficient criteria on uniform persistence, weak persistence and extinction of the consumer population are obtained by using mainly the comparison theorem.
主要运用比较定理得到了种群一致持续生存、弱持续生存以及绝灭的判据。
Using mainly the three models with other geological models, synthetical prediction of oil-gas is made in Jiyang Depression on microcomputer, and some oil-gas prospect ranges are pointed out.
利用所建立的遥感模型及其它地学模型，在济阳坳陷地区以遥感信息为主进行了微机综合油气远景预测，提出了若干远景区。
Using mainly the three models with other geological models, synthetical prediction of oil-gas is made in Jiyang Depression on microcomputer, and some oil-gas prospect ranges are pointed out.
利用所建立的遥感模型及其它地学模型，在济阳坳陷地区以遥感信息为主进行了微机综合油气远景预测，提出了若干远景区。
应用推荐