揭穿真相
发表于 2025-3-26 22:29:05
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扫兴
发表于 2025-3-27 03:55:38
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Analogy
发表于 2025-3-27 07:01:57
Maurice M. Shapiroesses associated with the Earth’s aurora. Initiated and conceptualized by scientists at the University of California at Berkeley, this satellite is the second of NASA’s Small Explorer Satellite program designed to carry out small, highly focused, scientific investigations. FAST was launched on Augus
懒惰民族
发表于 2025-3-27 12:09:27
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五行打油诗
发表于 2025-3-27 15:31:53
R. T. Siegelin only four chapters, and is intended as a tutorial on the use of the FFf and its trade space. The trade space of the FFT is the parameters in its usage and the relationships between them - the sampie rate, the total number of points or the interval over which processing occurs in a single FFf, the
一加就喷出
发表于 2025-3-27 20:11:11
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TIGER
发表于 2025-3-27 21:56:26
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漂浮
发表于 2025-3-28 05:23:51
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开始没有
发表于 2025-3-28 06:19:43
,Scintillation and Čerenkov Counters,ultiplier tube in which the light is converted to electrons which are then multiplied up to a detectable signal; and often, but not always, a light pipe to lead the light from the scintillant or Čerenkov medium to the photomultiplier. Fig. 57 shows a typical scintillation counter. Figs. 75 and 86 sh
Offstage
发表于 2025-3-28 10:54:33
The Proportional Counter as Detector and Spectrometer,unting tubes could be used at voltages such that the output pulses differed according to the nature of the ionizing particle passing into or through the vessel [.]. A semi-proportional region of operation of Geiger tubes had received some attention and within this region the tube acted as a counting