A self - made instrument for measuring time is introduced. The method of measuring time in Milton oil experiment is improved and the result is compared with the method.
本文介绍了一种自制的时间测量仪，利用此仪器改进了密立根油滴实验的时间测量方法并对测量结果和方法进行了比较。
This problem could be well resolved by adopting improved steel tape precise test method and actual linear expansion coefficient, as well as self-made testing apparatus and tools.
采用钢尺精密检定的改进方法及钢尺实际线膨胀系数检测方法，加之自制的检定器具、设施，可较好地解决钢尺自身准确性问。
Compared with common self-correct focusing, this method is improved in respects of applicable range and focusing sensitivity, etc.
与常见的自准调焦法相比，该方法在适用范围、调焦灵敏度等方面都有所改善。
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