...模型试验研究,裂缝起始和扩展 [gap=834]Key words blast engineering,spiral V-notch,loosening blasting,model testing study,initiation and develop- ...
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A usually full-sized scale model of a structure, used for demonstration, study, or testing.
实体模型:一种通常是建筑物的全尺寸模型,用作陈列,研究或试验。
Based on the theories of oral language testing and Bachman's Communicative Language Competence Model, this paper tries to study the effects of different task types on students'oral performance.
本文通过对口语测试的理论进行分析,结合交际能力模式框架,试图探讨口语测试中题型的变化对考生口语表现的影响。
Therefore, the study of software testing resource allocation model, particularly with the optimal search theory, is very meaningful.
因此,研究新型的软件测试资源分配模型,特别是运用最优化方法,是非常有意义的。
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