基本解释[力] 比例弹性限英汉例句双语例句It was showed that the lower elastic modular of rigid concrete, the higher proportional limit and peak strain.成果表明：试验所用的刚性混凝土弹模值较低，比例极限较高，峰值应变较大；proportional elastic limit更多例句词组短语短语elastic proportional limit 弹性比例极限proportional elastic limit更多词组专业释义物理学比例弹性限弹性比例极限土木建筑工程比例弹性限度