Following the analysis of the mechanism for shaping form errors during machining curved surfaces on CNC milling machine, the method for measuring form errors and error source is put forward.
分析了数控铣床曲面加工形状误差的形成机理，提出对形状误差及误差源的测量方法。
The paper aims at the error action of outfire's protection, gives accident analysis, and puts forward improving project. So it can improve the reliability of outfire's protection.
文章针对灭火保护误动进行了事故分析，提出了技改方案，从而有效地提高了灭火保护装置的可靠性。
This paperintroduces an error transmission method for analyzing the error of indirect measurement, and puts forward another analysis method—function increment method.
介绍了对间接测量量进行误差分析的误差传递法，并提出了另一种分析方法——函数增量法。
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