比率作用 meaning in English

rate act

Mechanic performance of model beams is studied . 2 . development of cracking and deformation of model beams with different ppr are studied and analyzed . afterwards , calculation method of defection of model beams is put forward
研究并分析了体外预应力混凝土连续梁在不同预应力比率作用下的裂缝发展规律和变形规律及其影响因素，同时提出了挠度的计算方法。
This paper is based on scientific research project on municipal construction of chengdu city " study on development and application of new technology on high strength concrete bridge with external prestress " , probes into structural behavior of concrete continuous beam with external prestress from several aspects as follows : 1 . design and finish static test of 4 continuous beams with external prestress that have different ppr
本文主要结合成都市城建科研项目“体外预应力高强混凝土桥梁新技术的开发与应用研究”来进行，对体外预应力混凝土连续梁的结构行为进行了以下几方面的探讨： 1设计并完成了四片体外预应力连续梁的静载试验。试验梁采用不同预应力比率，以研究在不同预应力比率作用下的受力性能。