Until long after, I can recall the scene, rushed forward my silence, untamed jie he, our shadow far and near, we overlap, and the separation, as we varied the youth.
直到很久以后，我都能回想起那个场景，匆匆前行的我，沉默桀骜的他，我们的影子忽远忽近，不断交叠，又不断分离，就像我们多变的青春。
The way to solve the problem of the tooth outline overlap interference caused by the processing errors in the practical use is put forward.
应用具体实例，研究了加工误差对少齿差内啮合齿廓重迭干涉的影响，并提出相应的解决方法。
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