表示向下
发表于 2025-3-27 00:37:24
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Synovial-Fluid
发表于 2025-3-27 01:34:49
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confederacy
发表于 2025-3-27 08:47:51
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不可比拟
发表于 2025-3-27 12:56:00
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仲裁者
发表于 2025-3-27 13:53:30
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痛苦一生
发表于 2025-3-27 21:44:14
Interstellar Neutral Hydrogen and its Small-Scale Structure,be an observable transition was made by van de Hulst in 1944 well before receivers existed to make the measurements, and in 1951 two groups reported the detection of emission from interstellar neutral hydrogen (HI) in the September 1 issue of . (Ewen and Purcell, 1951 ; and Muller and Oort, 1951).
无法破译
发表于 2025-3-27 21:57:09
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esoteric
发表于 2025-3-28 02:37:39
Book 19741st edition radio astronomy outside the solar system. The emphasis in this volume is on the type of data available and its interpretation. Basic theory is considered only where absolutely necessary, and little discussion of receivers or techniques is entered into in most of the chapters. The book is intended t
浮雕宝石
发表于 2025-3-28 07:32:41
https://doi.org/10.1007/978-3-642-96178-6Galactic Radio Astronomy; Milchstrasse; Radio Astronomy; Radioastronomie; astronomy
一加就喷出
发表于 2025-3-28 14:26:27
Bernard Dutrillaux,Jerome Lejeuneerable at 14.6-m wavelength and used this instrument to study local radio disturbances. He found that the static that was received usually could be categorized by one of the following descriptions: intermittent and strong, intermittent and weak, or very steady and weak. The first two types of static