up and down method 上下估计法
Bruceton up-and-down method 升降法
up and down test method 升降试验法
up and down sequencial method 上下序贯法
When the effect of strengthening technology on material fatigue performance is investigated, up-and-down method is often adopted.
在试验研究强化工艺对材料疲劳性能的增强效果时，常采用升降法来进行。
Also, this paper makes the serial experiment of the large samples up-and-down method with two details and takes the experiment data in note, and paints the up-and-down chart.
本文介绍了双细节升降法的试验流程，选取典型结构细节，进行了大子样试验，绘制了升降图。
By comparing the advantage and disadvantage of ramp current with other methods, ramp current method and up-and-down method are used to test sensitivity of bridge-wire Electrical Initiating Device.
对动态斜坡法与升降法测试原理优缺点进行了比较，在动态斜坡法测试敏感和钝感型电火工品发火感度试验的基础上，结合与升降法试验结果的对比，对动态斜坡法进行了研究。
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