The ubiquitous Tetris is a puzzle game in which players manipulate a random sequence of falling, four-block tetrominos to create a horizontal line of blocks without gaps.
几乎无处不在的俄罗斯方块是款益智游戏，玩家操纵一系列不断下落，随机生成的四格拼板，来创建一条没有空缺的水平方块序列。
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo-excitation algorithm with Galerkin algorithm.
应用虚拟激励法与伽辽金法相结合，分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。
The vertical response is also remarkable under the horizontal random wind load and can not be ignored.
即使是在水平风荷载作用下，结构的竖向响应也较为明显；
Based on modal perturbation method, a new approach is developed for solving the random seismic response of horizontal layered soil.
基于模态摄动方法，提出了层状土层随机地震反应的近似分析方法。
Based on modal perturbation method, a new approach is developed for solving the random seismic response of horizontal layered soil.
基于模态摄动方法，提出了层状土层随机地震反应的近似分析方法。
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