Two kinds of cause of losing lock in PLL speed regulation system are analysed. Corresponding formulas are obtained. The ways of overcoming losing lock are put for ward.

本文分析了锁相环调速系统中两种失锁现象的原因，得出相应的计算公式，提出了克服失锁的办法。

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If, for example, taking time to unwind before facing an hour of grid-lock traffic after work will help get you through the evening without losing your mind, then go for it.

举个例子，假如在面对下班后一个小时的交通拥堵前，花时间去放松，将有助于你整晚不会发狂。那么加油做吧！

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Losing your keys is bad enough, but having to replace the entire lock because you don't have a key to copy makes things even worse - not to mention expensive.

弄丢钥匙已是惨事一桩，要是因为没有备用钥匙而必须重新换锁，那更是雪上加霜了，还不算其昂贵的成本。

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The GMB union says losing lock keepers could lead to a slower response time and possible flooding.

BBC: Flood fears over lock keeper cottage rent plan

Us may be a better use of philanthropic funds than simply buying a money-losing newspaper lock, stock and barrel.

ECONOMIST: Is charity the newspaper industry's last, best hope?

In fact, leading cloud services like Amazon may resist a standard for fear of losing their proprietary lock on early customers.

FORBES: Bridging The Clouds