This modification has important significance for improving the measuring accuracy of the model JSG-1 laser velocity interferometer.
这对提高JSG—1型激光速度干涉仪的测试精度具有重要意义。
This modification has important significance for improving the measuring accuracy of the model JSG-1 laser velocity interferometer.
这对提高JSG—1型激光速度干涉仪的测试精度具有重要意义。
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