Dynamic properties of the structure is analyzed, and by this means the way that the vibration characteristics of large-scale spatial structures changes with some kinds of factors are studied.
对奥体模型的动力特性进行分析，研究了大型空间结构的动力特性受各种因素影响的变化规律。
On a global scale, hypoxia has lead to major changes in the structure and function of Marine communities and trophic relationship of Marine food chains.
缺氧现象已经引发全球海洋结构、功能以及海中食物链营养关系的改变。
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