电影制作的方法变得可以进行改变而没有界限，设计工作甚至可以延续到主要拍摄初步完成之后。
The movie-making process has become fluid and non-linear, with design work continuing even after the wrap of principal photography's first phase.
本文利用特征函数方法求解了有界圆柱体在冲击载荷作用下的动应力响应历程和分布规律。
This paper solves the histories and distributions of dynamic stresses in finite solid cylinder under shocking load by using eigenfunction method.
本文利用连续同伦方法讨论非线性映射在有界区域内零点的存在性和零点数目，以及推广若干经典定理。
With homotopy methods, this paper discusses the existence and the number of zeroes of nonlinear mappings on bounded regions and extends some classical theorems.
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