雁二元硫族化合物玻璃 pseudobinary chalcogenide glass
采用有限元法对雁形板屋盖结构的空间受力特性进行了分析计算，并着重考虑了温度变化对板截面应力的影响。
In this paper, the finite element method is used to analyze the behavior of the prestressed V-shape slab Roof structure, especially the effect of temperature change on the stress of slab.
雁南飞看着元都离去的背影道：“这个人不是那么简单，竟然能忍一时之气。
The wild goose south flies to looking at dollars to all depart of figure way:"This person isn't so easy, can endure abrupt morale."
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