... 环形 annular; ringlike; ring form; bight; annularity◇环形癌 annular carcinoma; 环形电路 [讯] loop circuit; ring circuit; 环形公路 belt highway; 环形交通 rotary traffic; 环形交通枢纽 circle; circus; 环形结构 circle structure; 环形联合 circular integration; 环形路 round; 环形山 [天文学] lunar crater; crater; ring structure; 环形天线 loop; box loop; ring antenna; loop antenna; coil antenna; closed aerial; radio loop; 环形铁路 belt(-line) railroad; circuit railroad 标准砝码 standard test weight; standard weights; weight standard 秤砣；砝码；重锤 weight ...
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The research on nonlinear regression, weight methods, standard curve, three periods ANOVA, rank sum test, was accomplished.
完成了非线性拟合与加权计算方法、标准曲线、三周期方差分析、秩和检验等研究工作。
The method and standard of drop weight tear test were described. It was also discussed how to evaluate the capability of pipeline steel to transit from toughness to fracture by DWTT.
论述了落锤撕裂试验的方法和标准，并对用DWTT来评定管材及其焊接接头的韧脆转化能力进行了探讨。
In order to promote the technique development, we introduce conventional drop-weight test, selection of standard, the relationship of T_(NDT) and RT_(NDT), and the application instances.
为了促进技术交流，介绍了国际通用的落锤试验方法、标准选用、无延性转变温度与基准无延性转变温度的关系以及在实际应用中的注意事项。
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