欺骗某人
发表于 2025-3-21 16:43:51
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Gene408
发表于 2025-3-21 22:31:28
Regulated Power Supplies,xist, constant voltage and constant current, by far the most usual and hence the most important is that of the constant-voltage type, the basic purpose of which is that it should provide a constant output voltage irrespective of the input conditions to or the current being drawn from the unit.
小官
发表于 2025-3-22 02:46:57
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Dri727
发表于 2025-3-22 08:30:17
A. Simpson C.Eng., M.I.E.R.E.cs was effectively established in 1925, when E.V. Appleton and M.A.F. Barnett in England and M.A. Tuve and G. Breit in the United States demonstrated that medium-frequency radio waves could be reflected off an ionized region or regions lying 100 kilometres or more above the Earth’s surface. The iono
一美元
发表于 2025-3-22 10:32:28
A. Simpson C.Eng., M.I.E.R.E.cs was effectively established in 1925, when E.V. Appleton and M.A.F. Barnett in England and M.A. Tuve and G. Breit in the United States demonstrated that medium-frequency radio waves could be reflected off an ionized region or regions lying 100 kilometres or more above the Earth’s surface. The iono
蚊子
发表于 2025-3-22 13:04:53
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我说不重要
发表于 2025-3-22 20:35:02
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角斗士
发表于 2025-3-22 21:23:15
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assent
发表于 2025-3-23 03:39:53
Digital Electronics,at a solution to a problem the process is one of a series of yes/no decisions taken in sequence to arrive at an overall result. Electronic circuits may be used to form a ‘model’ of a particular problem and by the use of simple ON/OFF circuits simulating the alternatives, the solutions to complex problems may be obtained.
树胶
发表于 2025-3-23 07:03:51
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