一种是直接在加工中心系统上，利用函数运算功能边计算边加工。
One is to utilize functional calculation to calculate and machine simultaneously directly in the NC machining center.
详细讨论了模型与信号联锁的对应关系，通过开关函数运算，得到一种生成联锁的新方法。
The corresponding relationship between the model and interlocking is discussed in detail. By logical calculations, the model of interlocking configuration can be obtained.
本文介绍了一种在微处理器中用二进制定点运算和查表相结合的方法简单实现三角函数和反三角函数运算的方法。
This paper introduces a computation method of trigonometric functions and inverse trigonometric functions in microprocessor by usr of combination binary fixed point operation with look-up table.
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