1FAWN
发表于 2025-3-26 21:32:48
Maximilian C. R. Buff,Stefan Bernhardt,Musa D. Marimani,Abdullah Ely,Joachim W. Engels,Patrick Arbutn function generators. Like the power supplies, the function generators are not a measurement device in the first look. However, they play a very important role in many electronic measurements. So, being able to use a function generator correctly is an important skill any technician or engineer need
弄皱
发表于 2025-3-27 02:24:39
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deactivate
发表于 2025-3-27 05:54:00
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cleaver
发表于 2025-3-27 11:25:50
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BALK
发表于 2025-3-27 16:25:37
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Toxoid-Vaccines
发表于 2025-3-27 18:50:09
al frequency standards we discuss the optical comb, used for mapping frequencies of the order of 10.Hz to MHz frequencies. Also discussed are the major time scales, the International Atomic Time (TAI) and the Coordinated Universal Time (UTC), as well as the role of satellite navigation systems (GPS,