向外供接触
发表于 2025-3-23 09:41:07
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口诀
发表于 2025-3-23 14:43:41
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Ointment
发表于 2025-3-23 19:52:40
Relations Between the Bearing and the Amplitude,ne wave through the ionosphere. Under the conditions in which we are most interested here, i.e. long-distance radio propagation, many encounters with the ionosphere will have occurred. Although none of these will be a passage right through the ionosphere, most being a double passage at an oblique an
freight
发表于 2025-3-23 22:40:34
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猛然一拉
发表于 2025-3-24 05:43:14
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GORGE
发表于 2025-3-24 07:17:26
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有害
发表于 2025-3-24 13:48:04
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CT-angiography
发表于 2025-3-24 15:04:18
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vascular
发表于 2025-3-24 20:53:38
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极少
发表于 2025-3-25 01:12:33
Angular Spread of Waves,re now considering is a little different from that considered in chapter 7 where the rough ionospheric and earth reflections gave rise to the day-to-day wandering of the rays. We are now concerned with the “instantaneous” picture i.e. the actual spread of power at some particular time.