分别改变路面、速度、预张紧力等相关影响因素做多组计算，对比分析了履带动态张紧力的变化情况。
The vibration of dynamic track tension is investigated by multibody tracked vehicle model in different road conditions, velocities and pre-tensions.
对于许多组织来说，网格计算可能是解决这些最紧迫的难题的可行方法。
For many organizations, grid computing may be a viable way to address the most pressing challenges.
这些特征可在当今很多组织的SOA解决方案及需求中找到，只不过在SOA中它们是可选的，而在云计算中它们是必需的。
These characteristics can be found in requirements and SOA solutions in various organizations today, although these characteristics are optional for SOA and mandatory for cloud.
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