在无限远处，没有储存的势能，并且它向负方向减少，当距离超过R时。
At infinity, there's no stored potential energy, and it drops off more and more negative as one over r.
腐蚀电位-时间结果表明，两种涂层的自腐蚀电位都比基体的更正，都能起到屏蔽作用保护基体，浸泡中电位向负方向移动说明活化腐蚀过程在继续。
The results indicated that with the decreasing of the porosity, the self-corrosion potential of the coatings shifted from Ecorr of Fe to Ecorr of Ni-P.
我把向黑板里面的，这个力矩，认为是正方向，而向黑板之外的，那个力矩，我认为是负方向。
And I call the torque that is in the blackboard, I call that my positive direction, and the torque that is out of the blackboard, I give that a negative direction.
影响的基本机理是锥面的边界层在转捩时形成了负方向的诱导法向力。
The mechanism of the effect is that the transition induced normal force arise when the boundary layer transition appear on the slender cone.
影响的基本机理是锥面的边界层在转捩时形成了负方向的诱导法向力。
The mechanism of the effect is that the transition induced normal force arise when the boundary layer transition appear on the slender cone.
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