例句與造句

1. During dynamic analysis of framework , according to mechanical performance of reinforced concrete frame structure under seismic force , the element of beam and column can be simplify into 5 pole element whose stiffness is variable . then damage model of 5 pole elements with variable rigidity can be established if the damage parameters based on elastic transformative energy are generalized into pole elements
   針對地震力作用下鋼筋混凝土框架結(jié)構(gòu)梁柱的受力特性，對框架進(jìn)行動力分析時(shí)將梁柱構(gòu)件簡化為五段變剛度桿單元，將基于彈性變形能的損傷指標(biāo)推廣到桿件，建立了該五段變剛度桿單元的損傷模型。
2. It's difficult to find variable rigidity in a sentence. 用variable rigidity造句挺難的