在二十世纪初当保罗·布列瓦特设计出第一条开楔窄裙，女性展现自身魅力的时代便到来了！
In the early twentieth Century when Paul Blevat designed the first open wedge narrow skirt, woman to show the charm of its own age arrived!
从折射定理出发，给出旋转双光楔的入射光线和出射光线之间的对应关系。
Starting from refraction theorem, the corresponding relation between incident light and outgoing light of the rotating double optical wedges is given.
进一步运用随机搜索方法与块体理论，搜索出边坡面上的随机楔体，进行楔体的稳定分析。
It can be found the random wedges in slope surface by using block theory and random search method.
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