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As is full testified by the mechanical model which has been built and the physical simulation experiments.
所建立的力学模型和物理模拟实验,完全证明了这点。
youdao
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As is full testified by the mechanical model which has been built and the physical simulation experiments.
所建立的力学模型和物理模拟实验,完全证明了这点。
youdao