test specimens

基本解释

This practice also covers the preparation of test specimens, and the evaluation of test results.
本标准还包括试验样品的制备及试验结果的评价。
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This test piece shall be welded using the identical welding parameters as the original test and only weld metal impact test specimens shall be tested.
此试件应使用与原始试验相同的焊接参数进行焊接，并且仅对焊接金属冲击试样进行试验。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。

试样
This is because the mediums are corrosive, which has great requests for test equipments, test specimens, the experimental environment and testers. It is big difficulty to carry out the experiment.
目前国内关于材料在腐蚀环境低周疲劳性能研究数据很少，这是由于介质具有腐蚀性，对试验设备、试样、试验环境及人员都有很高要求，试验难度很大，试验成功者廖廖无几。