social impact theory 社会作用理论 ; 社会影响理论 ; 理论
newton's impact theory 牛顿撞豁论
meteoritic impact theory [天] 陨石冲击说
impact theory 撞击说
newton's s impact theory 牛顿撞豁论
impact wear theory 撞击磨损理论
impact wave theory 冲击波动理论
The impact-conduction theory 冲击一传导学悦
We could do this in theory by studying an enormous impact crater, known as the South Pole-Aitken Basin.
理论上，我们可以通过研究一个名为南极-艾特肯盆地的巨大陨石坑来做到这一点。
"If the whole moon has the amount of water equivalent to what we analysed, then the giant impact theory is in a little trouble, " says Saal.
如果整个月球的水含量都与我们的测量结果相近，那么月球大碰撞说会有些小麻烦。
The SP mill dynamics model rigid and flexibility with clearance was built using finite element and impact theory.
利用有限元和冲击理论建立了SP压力调宽机含间隙的刚体和弹性体的动力学模型。
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