Most geologists and many historians today believe that Wegener's theory was rejected because of its lack of an adequate mechanical basis.
今天，大多数地质学家和历史学家认为，魏格纳的理论之所以遭到拒绝，是因为它缺乏足够的力学基础。
This paper summarizes the teaching experience about the mechanical basis of chemical equipments, and puts forward opinions of heightening the teaching quality of this course.
总结了化工设备机械基础课程的教学经验，提出了提高本课程教学质量的见解。
In the teaching of "mechanical basis", the steps of implementation of item teaching method include: preparing item, establishing scheme, carrying out scheme, evaluating and communicating.
在《机械基础》课教学中，实施项目教学法的具体步骤包括项目的准备、计划制定、计划实施、评估和交流。
Rock mechanics models have been established for different types of rock structure to offer a reliable mechanical basis for the analog analysis of host rock stability while mining in a broad area.
采用围岩分类专家系统中的不确定性推理处理方法，以工程地质学家谷德振提出的岩体结构划分标准为基础，对金川二矿区岩（矿）体用模糊数学中择近原则的方法进行模糊综合判别。
Rock mechanics models have been established for different types of rock structure to offer a reliable mechanical basis for the analog analysis of host rock stability while mining in a broad area.
采用围岩分类专家系统中的不确定性推理处理方法，以工程地质学家谷德振提出的岩体结构划分标准为基础，对金川二矿区岩（矿）体用模糊数学中择近原则的方法进行模糊综合判别。
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