The chemical etching was an effective way for relieving of machining residual stress.
化学蚀刻是消除铍材机加应力的有效方法。
The lengths and the widths of driving forks are measured with measuring microscopes in the main machining processes. The chemical etching of quartz is the main reason of machining errors.
使用测量显微镜对石英音叉驱动叉指的长度和宽度在主要工艺过程中的变化进行了测量，其中以石英音叉化学腐蚀引入的尺寸误差较大。
The lengths and the widths of driving forks are measured with measuring microscopes in the main machining processes. The chemical etching of quartz is the main reason of machining errors.
使用测量显微镜对石英音叉驱动叉指的长度和宽度在主要工艺过程中的变化进行了测量，其中以石英音叉化学腐蚀引入的尺寸误差较大。
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