The computation examples prove the reasonableness and effectiveness of the mechanical model and the computational methods presented in the paper.

通过算例，证明本文提出的力学模型与计算方法的合理性与有效性。

youdao

Vacuum pump is a relatively sophisticated equipment, it's working medium is a special high boiling point, low-volatile oil pump, its effectiveness depends on the mechanical pump and pump oil quality.

真空油泵是一种比较精密的设备，它的工作介质是特制的高沸点、低挥发的泵油，它的效能取决于油泵的机械结构和泵油的质量。

youdao

Based on the concept of visual thinking, the effectiveness of visual perception and the representation of teaching content are discussed in the classroom instruction for mechanical structure drawing.

本文从视觉思维的概念出发，探讨机械结构图教学过程中教学内容的表现形式与视知觉有效性相关的问题。

youdao