厨房默契
发表于 2025-3-21 18:32:53
书目名称AstroFAQs影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0163553<br><br> <br><br>书目名称AstroFAQs读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0163553<br><br> <br><br>
不如屎壳郎
发表于 2025-3-21 21:46:36
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吸引人的花招
发表于 2025-3-22 01:13:02
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搜集
发表于 2025-3-22 05:09:59
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guzzle
发表于 2025-3-22 10:25:11
Miscellaneous,hen warmer, moist air cools down, there will come a point where it is saturated and will begin to give up its moisture. The principles of dew reduction are then simple: reduce the amount of cooling of the optical surfaces and reduce the amount of warm moist air (e.g. breath) that comes into contact with them.
Affable
发表于 2025-3-22 15:25:31
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弓箭
发表于 2025-3-22 19:13:00
Formeln und Tabellen MaschinenbauIn order to track an object successfully with a single motion, the polar (RA) axis of an equatorial mount must be parallel to the axis of rotation of the Earth.
闲荡
发表于 2025-3-22 23:45:50
https://doi.org/10.1007/978-3-8348-2313-7To get the best out of a telescope for astronomy, it helps if you understand how it works. A telescope, when used for astronomy, serves three functions: it magnifies, it increases light grasp, and it increases resolution.
饶舌的人
发表于 2025-3-23 01:32:47
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Annotate
发表于 2025-3-23 08:47:52
Formeln und Tabellen MaschinenbauWe imagine that astronomical objects are projected onto a celestial sphere, centred upon the Earth. The Earth’s North and South poles are projected to the North Celestial Pole (NCP) and South Celestial Pole (SCP), respectively. The Earth’s equatorial plane passes through the Celestial Equator (see Figure 5.1).