精密(Precision)--这里主要介绍机械加工称呼的精密，即：加工精度在0.004-0.01mm范围内。
用精密数控车床切割这种面板，能把偏差精确控制在万分之四英寸。
A precision CNC lathe is used to cut the panels to an exacting tolerance of four ten-thousands of an inch.
我公司生产的主要产品是精密数控车床，该产品通过引进日本先进技术加以国产化，以满足国内用户的需求。
Whe company mainly produces precision numeral control lathes which are domestically produced by importing japanese advanced technology so as to meet the requirement of domestic customers.
本文提出了一种基于试验与参数优化组合的方法，解决了CK 14 16高速精密数控车床中界面的动力学建模问题。
A parameter optimal method based on test results is put forward in this paper. It is successfully applied to the dynamic model building of numerically controlled lathe CK1416.
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