例句與造句

1. This article establishes a suitable mechanical model for urban mass transit continuous welded rails longitudinal force research , which is widely based on the real situation and draws up the nonlinear finite element method program , and is verified by practical examples
   摘要?了對城市軌道交通無縫線路縱向力進(jìn)行研究，根據(jù)實(shí)際結(jié)構(gòu)建立了力學(xué)模型，編制了非線性有限元程序，并通過實(shí)例進(jìn)行驗(yàn)證。
2. It's difficult to find continuous welded rail in a sentence. 用continuous welded rail造句挺難的