分别采用了方和根方法和配对试验法对电工圆铝杆电阻率测试的不确定度进行了试验评估和相互验证比较。
The measurement uncertainty of round aluminium rods for electrical purposes in resistivity was tested and evaluated by means of the test method of square sum root and the test method of pairing .
本文是在有限元模拟分析基础上，制作5根混凝土柱，进行环孔法测试混凝土工作应力的试验研究。
On the basis of finite element analysis, 5 concrete columns were made to carry on the experimental study about the measurement of working stress of concrete by the ring-hole method.
用此无菌培养试验法进行的水稻有机氮营养试验证明，水稻能直接吸收根际营养液中的氨基酸。
Results from sterile experiment for rice organic N nutrition showed that amino acid could be directly taken up by plants.
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