virtual ground meaning in English
假接地
Examples
- Asm 1 . 0 contains the entire ccos process , including best - fit sphere calculating , profiler test and anslysis , virtual grinding and polishing , cnc grinding and polishing , etc . as results , the manufacturing process of a f / 1 . 17 , 770mm x 200mm rectangular even high order off - axis aspheric mirror is presented as an example in detail
最后，比较详细地介绍了770mm 200mm ， f 1 . 17高次离轴非球面反射镜的加工、检验过程，加工后200mm口径范围内加工精度达到0 . 013 rms ，完全满足了设计要求。