The motion orbit of cutting-tool is simulated dynamically on the computer screen, with test and verification of NC program achieved in the non-real cutting process.

仿真系统模拟数担数控机床硬件插补原理，在计算机上动态地模拟出刀具运动轨迹，实现非实际切削过程中的数控代码验证。

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Whether the verification process undertaken is reasonable will be an objective determination, based on a facts-and-circumstances test.

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