随着飞行器的临近，y轴角增长的越来越快且当y向的角度达到90度时（即将超越），突然它急转弯朝南飞去。

As the aircraft comes closer the Y angle increases more rapidly and just as the aircraft reaches an Y of 90 degrees (exactly overhead), it makes a sharp turn due south.

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一般来说，以上所有的方面都比我们要求的可用性越来越快地增长——这是应该预期到的，因为无论花多少钱都不能保证100%的可用性。

Typically, all the above increase more and more rapidly as ever higher levels of availability are required a a "this should be expected, as no amount of money will ever guarantee 100% availability."

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刚开始，复利只是很小的一笔数目，但随着时间推移，它会想滚雪球一般越滚越大，从而使你的投资收益增长得越来越快。

It's tiny to begin with, but over time it builds momentum and keeps your investment growing at a faster and faster rate.

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