实验研究了铝膜厚度对衍射光栅闪耀效率的影响，给出了铝膜厚度系数的最佳范围。

It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.

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文章阐述了控制衍射光栅铝膜厚度的重要性。提出了用厚度系数标定铝膜厚度的方法。

This paper describes the importance of controlling aluminum film thickness for ruling diffraction gratings and gives a method to mark the aluminum film thickness with thickness factor.

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以轮缘厚度系数来描述内齿圈的柔性，以均布的弹簧约束来反映内齿圈与机体的配合情况。

The ratio of rim thickness to tooth height was defined for representing the flexibility of internal ring gear.

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