If you haven't before, tinker a bit with letter spacing in your designs, and you'll be shocked by the difference it can make.

如果你以前没有在意，试试现在对你设计中的字符间距做一些调整，你会为调整后带来的不同而震惊。

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Because the more CARDS you have in your stack, the more time passes before you go through the stack and return to a card you've studied before — that is, larger stacks create more spacing.

因为你的这叠里的卡片数越多，你用来复习的时间越长- - - - - -也就是说，更多的词汇卡会产生更多的间隔学习时间。

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Even with very tight conductor-to-conductor spacing, parallel runs of 5 to 6 times signal rise distance are required before crosstalk becomes a problem.

即使在非常小的线间距的情况下，在大于信号上升的距离5到6倍的距离以上串扰才会成为电路设计的一个问题。

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