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。
The circuit design principle, calculating formula and assembly technique of self - made WY - 1a multimeter experiment instrument are elaborated.
阐述了自制WY -1a型万用表实验仪的电路设计原理、计算公式及组装技术。
AIM to observe the biomechanics and histology of minimally invasive bone grafting in the plerosis of bone defects with self-made minimally invasive bone grafting instrument.
目的：应用自行设计的微创植骨器进行微创植骨术修复骨缺损的生物力学和组织学观察。
The principle and structure of the self made testing instrument for measuring the effective temperature in the full cross section of steel rail are described and discussed in this paper.
论述了自行研制的钢轨全断面有效温度测试仪的原理及结构。
Moreover, on fatigue tests, effective long-term loss of pre-stress was measured by using the self-made pre-stress loss measuring instrument.
另外，在疲劳试验中，对有效预应力长期损失采用自制预应力损失量测仪进行量测。
This patent on self-rescue instrument is a new device, it's just like a man-made spider's silk-bag and it can save our lives when we are in a storied-building fire.
本自救器具的专利是一项新装置，它就像一个人造的蜘蛛丝囊一样，能在我们身处楼房火灾中的时候救我们的命。
This patent on self-rescue instrument is a new device, it's just like a man-made spider's silk-bag and it can save our lives when we are in a storied-building fire.
本自救器具的专利是一项新装置，它就像一个人造的蜘蛛丝囊一样，能在我们身处楼房火灾中的时候救我们的命。
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