has been successfully tried
has been successfully tried
已经尝试成功了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This single period layered phase grating, which has been tried out successfully for the first time by our institute, provides a kind of new element for the precision measurements.
由本院精密计量室初试成功的单周期层状位相光栅，为精密测试提供了一种新元件。
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