Subject creation is the dynamic action of subject consciousness.
主体创造是主体意识的能动活动。
The dynamic model reveals the dynamic action of string, it is instructive to design new rock bit and study drilling mechanics.
通过研究得出了一套研究钻柱系统动力学模型及求解方法,对新形钻柱的设计和钻井力学的研究具有指导意义。
In this paper, two-layer models are adopted in considering the dynamic action of the disposition relation between upper layer and lower layer fluid fields on the formation of the south-west vortex.
本文采用定常二层模式讨论较小地形及高、低层流场配置对西南低涡形成的动力作用。
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