It used the PCF8583 as timers to realize the function of prearranging the heating valve 's on-off time in the house heating expenses system composed of 89c52.
用PCF8583作为定时器，在由89c52构成的室内供暖计费系统中，实现预定时开关供暖阀门部分的功能。
But I've been working here in the U. S. for some time and I realize people find it hard to pronounce. They haven't heard it before.
但我到美国工作了一段时间，我意识到人们觉得这个名字很难发音，他们以前都没听过这个名字。
But I've been working here in the U. S. for some time and I realize people find it hard to pronounce. They haven't heard it before.
但我到美国工作了一段时间，我意识到人们觉得这个名字很难发音，他们以前都没听过这个名字。
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