被诅咒的人
发表于 2025-3-30 11:59:20
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Arroyo
发表于 2025-3-30 14:03:53
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MOAN
发表于 2025-3-30 18:36:23
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Initiative
发表于 2025-3-30 22:23:20
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BARGE
发表于 2025-3-31 02:26:15
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一大群
发表于 2025-3-31 06:52:37
Power electronics, of speeds was required. Power electronics has removed that restriction by making it possible to operate AC and DC machines over a large range of speeds by varying the frequency or the voltage, or both, of its supply. In essence the methods are
harpsichord
发表于 2025-3-31 11:31:49
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JEER
发表于 2025-3-31 15:42:28
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Coronation
发表于 2025-3-31 18:12:07
Wolfgang Gröbner,Nikolaus Hofreiternormous impact on integrated circuit (IC) technology. Not only have very low-power CMOS (complementary metal oxide-semiconductor, a type of FET) ICs have become reliable and cheap, but also devices such as HEXFETs and VMOS FETs have replaced many types of power bipolar devices, and semiconductor memories are no more than huge arrays of MOSFETs.
IVORY
发表于 2025-4-1 01:08:47
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