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That reverses the polarity of the atom 's magnetic field and ejects it from the trap .

于是原子的磁场极性被改变并将原子抛出电磁阱。

Yet , focusing on difference without holding the polarity creates what we can call drama .

然而，只专注于两极分化的差异会导致我们下文所说的戏剧性事件。

Responding to a battery 's polarity , the atoms of one element would go thisaway , the atoms of another thataway .

与电池两极相呼应，某一元素之原子向一极运动，另一元素之原子向另一极运动。

Such is the nature of polarity .

这是极性的性质。

You can do this to either the electromagnet or just to the 2 wires . Polarity isn 't important .

你可以将其焊到电磁体上，也可以只与两根电线连接，极性不是很重要。