special system of point-group 中文意思是什麼
special system of point-group
解釋
特殊點集系-
The taper piston ring conic degree measuring instrument is a kind of special instrument that measures the conic degree of each one amongst a group of superposing piston rings, and the research on data acquisition and control system of this instrument is the key point of this thesis
錐面活塞環錐度方向識別儀就是用於檢測重疊在一起的一組環中其中每一環的錐度值且辨別其方向的一種專用儀器,本論文重點研究了該儀器的數據採集及控制系統。
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