It turns out that if you make them forfeit their cash value on canceling, then they won't cancel.
但是如果你规定保单的现金价值,会随保单的取消而消失,他们就不会这么干了
So instead, these would be canceling out wave functions between the two, so we would end up with a nodal plane down the center.
相反,两者之间的,波函数会相互抵消,所以我们在中间会得到一个节面。
That motivated insurance salesmen to form long-term relationships with the families that he was insuring and to keep them from canceling their policies.
这种机制促使保险推销员与客户,建立起长期合作关系,以防止客户取消保单
Or I'm canceling the 5 everywhere and changing the sign here I get t^-2t-3=0.
或者我在等号两边除以5,并变号得到t^-2t-3=0
And shielding is a little bit of a misnomer because it's not actually that's the electron's blocking the charge from another electron, it's more like you're canceling out a positive attractive force with a negative repulsive force.
屏蔽有一点点用词不当,因为它事实上不是,电子阻挡了来自另一个电子的电荷,它更像你在用一个负排斥力,抵消一个正吸引力,但是屏蔽是考虑这个问题,的很好的方式。
This invention was very important because it stopped people from canceling.
这是一项非常重要的创新,因为它有效地防止了人们取消保单
So, shielding happens when you have more than one electron in an atom, and the reason that it's happening is because you're actually canceling out some of that positive charge from the nucleus or that attractive force with a repulsive force between two electrons.
所以当你们在原子中有多于一个电子,屏蔽就会发生,它之所以会发生的原因是,你们实际上抵消了,一些来自原子核的正电荷,或者来自吸引力,在两个电子之间。
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