The design of asynchronous FIFO meets with two troubles, metastability and how to generate empty and full flag correctly.

避免亚稳态问题及空满控制信号的产生是异步fifo设计的两个难题。

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Two troubles in the operation of S-520 scan electron microscope are analyzed and the related circuits are described. The curing methods are explained in detail.

介绍了S-520型扫描电镜实际操作中出现的两种故障现象。对相关电路进行了简要分析。详细说明了故障的排除方法。

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Within two minutes, or even less, he had forgotten all his troubles.

不到两分钟，甚至更短，他就忘记了他所有的烦恼。

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Komercni's disclosure came on top of new troubles at two other banks that are on the privatisation block.

ECONOMIST: Czech banks

Webster has put two years of injury troubles behind him with an excellent season at United, which has earned him a Scotland recall and the captaincy during his temporary stay at Tannadice.

BBC: Rangers quartet vie for Player of the Year award

Conveniently, the banks provided two external villains for their troubles which have the virtue of being plausible and temporary.

ECONOMIST: America��s biggest banks decelerate