努力赶上
发表于 2025-3-26 22:47:21
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ARK
发表于 2025-3-27 04:18:14
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婚姻生活
发表于 2025-3-27 08:05:25
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乞讨
发表于 2025-3-27 10:54:31
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准则
发表于 2025-3-27 14:28:57
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wangle
发表于 2025-3-27 18:17:55
Passive components and power suppliesnents use the movement of electrons either through a vacuum or through a semiconductor to perform some function in the circuit. Passive devices, on the other hand, do not control the movements of the electrons, but rather allow the electrons to flow through them. It could be argued that the simplest of all passive devices is a length of wire!
Diverticulitis
发表于 2025-3-27 23:57:37
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cliche
发表于 2025-3-28 05:23:56
Optoelectronicsaced the valve with the transistor, and subsequently complex transistor circuits with integrated circuits, produced an increase in the number and types of devices combining light and electronics. The term ‘optoelectronic’ came into use as a description for what has now become a large and important branch of electronics technology.
别名
发表于 2025-3-28 06:57:45
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货物
发表于 2025-3-28 14:28:47
Macmillan Master Series (Science)http://image.papertrans.cn/m/image/625451.jpg