祝贺
发表于 2025-3-25 04:16:09
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审问
发表于 2025-3-25 08:55:10
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orthodox
发表于 2025-3-25 13:12:47
Overview: 978-3-662-38761-0978-3-662-39653-7
LIKEN
发表于 2025-3-25 17:02:24
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责难
发表于 2025-3-25 23:15:45
https://doi.org/10.1007/978-3-662-39653-7applied physics; physics; Scope
fleeting
发表于 2025-3-26 02:13:56
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Nonthreatening
发表于 2025-3-26 07:40:40
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座右铭
发表于 2025-3-26 09:44:46
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Countermand
发表于 2025-3-26 14:18:42
Operating the Oscilloscope; Setting up and Preliminary Adjustmentsthe oscilloscope where no direct light, either natural or artificial 57), will fall on the screen. To improve the contrast, a filter having a transmission characteristic corresponding to the spectral distribution of the light from the screen (yellow-green, orange or even neutral gray), is usually placed in front of the fluorescent screen.
surmount
发表于 2025-3-26 18:36:05
Amplitude Measurementsak resistors for the deflection plates (and also the input resistors of the amplifiers) are in the order of 1 to 10 megohms, the current flowing, and thus the load on the circuit under test, are extremely small .