GERM 发表于 2025-3-21 16:45:07
书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0140132<br><br> <br><br>书目名称A Buyer‘s and User‘s Guide to Astronomical Telescopes & Binoculars读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0140132<br><br> <br><br>reaching 发表于 2025-3-22 00:10:12
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J. A. Rincon,V. Julian,C. Carrascosafor instruments 4-inch or larger and in millimeters for smaller ones. This is the most important of all a telescope’s parameters; for the larger its light-collecting area, the brighter, sharper, and better-contrasted are the images it forms of celestial objects. The primary driving force behind the漂亮才会豪华 发表于 2025-3-22 07:16:18
Francisco Sousa,Fernando Lopes,João Santanamagnify it. Single lenses by their very nature have a number of optical shortcomings, chief among these being . (or color) .. This results in light of different colors coming to focus at different points, producing image-degrading prismatic haloes appearing around the Moon, planets, and brighter staInsubordinate 发表于 2025-3-22 09:47:05
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Rahma Ferjani,Lilia Rejeb,Lamjed Ben Saide element in the optical train that is most often overlooked as the source of good or bad performance of the overall system. An eyepiece can literally make or break even the best of telescopes. Small imported refractors from the Far East are especially notorious for having poor-quality oculars. And规范要多 发表于 2025-3-22 22:37:56
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Yves Demazeau,Paul Davidsson,Zita Valenufacturers, note that this compilation does . include dealers themselves, advertisements for whom can be readily found in the various astronomical magazines such as .. Under the company’s bolded name are its mailing address, phone number/s where available, Internet web site and/or e-mail address, a单独 发表于 2025-3-23 07:03:15
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