Given that, you're left with the third principle of error handling: error handling is informative.
下面是错误处理的第三个原则：错误处理要有告知性。
The measurement principle and method of run out error by laser are introduced, and error is analyzed.
介绍了用激光测量跳动误差的测量原理、测量方法，并进行了误差分析。
Owing to the modified error in principle, the manufacturing error and the variation of the load, there still exists the mesh impact in the transmission of modified spur gear.
由于存在修形原理误差、齿轮加工误差以及载荷工况的变化，渐开线修形齿轮在使用中仍会有啮合冲击现象。
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