从源头上为现代机械设计要点。
物理模型是现代机械设计中常用的方法。
Physical model is one of the most useful methodology often applied in modern machine design.
在现代机械设计中的分析和绘图方面,主要的使用工具是计算机。
Analysis and mapping in modem mechanical design, the main use of tools is a computer.
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