negation
发表于 2025-3-21 18:28:55
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洁净
发表于 2025-3-21 21:09:02
1611-7360 d. For other instruments, there are full details of circuit-board layouts, components to use and (vitally important in radio astronomy) how to construct antennae for radio astronomy.978-1-4419-0882-7978-1-4419-0883-4Series ISSN 1611-7360 Series E-ISSN 2197-6546
碎石
发表于 2025-3-22 03:05:23
Astronomers‘ Observing Guideshttp://image.papertrans.cn/t/image/918179.jpg
Provenance
发表于 2025-3-22 08:01:33
https://doi.org/10.1007/978-1-4419-0883-4Backyard Astronomy; Microwave TVRO; Practical Astronomy; Radio Astronomy; Radio Sources; Radio Telescope;
率直
发表于 2025-3-22 11:53:44
978-1-4419-0882-7Springer Science+Business Media, LLC 2010
AUGER
发表于 2025-3-22 13:28:00
The Radio Sky and How to Observe It978-1-4419-0883-4Series ISSN 1611-7360 Series E-ISSN 2197-6546
chuckle
发表于 2025-3-22 17:04:03
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细胞
发表于 2025-3-22 23:18:40
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ornithology
发表于 2025-3-23 01:35:52
1611-7360 teurs.Contains the information necessary to build and use a Radio astronomy is far from being beyond the scope of amateurs astronomers, and this practical, self-contained guide for the newcomer to practical radio astronomey is an ideal introduction. This guide is a must for anyone who wants to join
Hearten
发表于 2025-3-23 08:21:53
10楼