...探索性试验 exploration test; exploratory experiment; exploratory test; investigative test; pilot test; scouting test; trial test 探索性问题 probing questions .
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record of investigative test 侦查实验笔录
The test of Brinell hardness and strength of plastic contact are used as the main investigative means in this paper, and little deformation of metal is presumed.
以布氏硬度实验、塑性接触变形实验为主要研究手段，以金属的小接触变形为假设前提。
Objective To investigative the correlations between QRS duration(QRSD) and heart function and 6-minute walk test(6-MWT)in elderly patients with chronic heart failure(CHF).
目的探讨老年慢性心力衰竭（心衰，CHF）患者QRS时限（QRSD）与心功能、运动耐量相关性。
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