在1989年，戴尔对保持库存的厌恶遭受了重大打击。当时公司购买了数以百万计的外加存储器芯片，试图在预计的供应不足时能够有一定的存货。
Dell's reluctance to hold inventory was briefly overridden in 1989, when the company bought millions of extra memory chips in an attempt to stay ahead of an expected shortage.
微处理器是一种较为特殊的电路，它可不需要外加激励而依靠程序存储器自行运转。
Microprocessor is one kind of comparatively special integrated circuit. It can run merely relying on the programs in its memory without any external stimuli.
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