张拉整体结构在无预应力情况下结构是不稳定的,结构的刚度依靠预应力予以保证,并随着荷载的作用,结构的刚度不断变化。
互联网摘选
国难当前应该先解决经济问题, 而不是埋怨任何人.
互联网摘选
In general we should not let them work in their native districts or townships.
一般不宜要他们在本区本乡办事.
互联网摘选
People think executives should take a cut in pay if things are not going well.
大家认为,如果事情进展不顺利,主管人员就应该减薪.
互联网摘选
It was unthinkable that he , her elder brother, should stand aside and not intervene!
做哥哥的他, 万万不能坐视 呀 !
互联网摘选
It'should not, however, pose an insuperable barrier to environmental standing.
然而, 在环境起诉权这个问题上不应该设置不可逾越的障碍.
英汉非文学 - 环境法 - 环境法
