我打出一张主牌,赢了那一墩。
你如果有黑桃牌,就必须打出来。
谁打出的那张红桃?
So we can actually pop an electron or eject an electron from any single orbital that is occupied within the atom.
任何一个被占据轨道,打出一个电子,或者说发射出一个电子。
And they type in "cappuccino" on a little terminal, which is basically a calculator on top of the cash box, and then they get $3.24 from that. They get a receipt.
他们在一个小终端机上输入“卡布奇诺“,那个终端机不过是个收银盒上价格计算器而已,他们划走了3。24美元,打出一张凭条。
If we have a higher z effective, it's pulled in tighter, we have to put in more energy in order to eject an electron, so it turns out that that's why case 2 is actually the lowest energy that we need to put in.
而如果有效核电量更高,原子核的束缚也就更紧,我们不得不输入更多的能量来打出一个电子,这就是第二种情况,所需要输入的,能量更少的原因。
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