湿润
发表于 2025-3-23 09:56:14
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myriad
发表于 2025-3-23 14:27:45
Bowen Li,Shefford P. Baker,Ruigang Wang to the 1° fields of most telescopes even used at their lowest magnifications. There are also ultra-wide-field models that take in a staggering 10° of sky. Binoculars are ideal for learning your way around the heavens and for exploring what lurks beyond the naked-eye star patterns.
Dna262
发表于 2025-3-23 22:03:41
The Minerals, Metals & Materials Seriestor plate on a fast Newtonian reflector to flatten and sharpen the field for wide-angle photography, giving birth to the Schmidt camera. Then a decade later, Dimitri Maksutov combined a thick meniscus lens with a Cassegrain reflector to greatly improve both visual and photographic performance, resulting in the ..
prick-test
发表于 2025-3-23 23:53:07
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词汇记忆方法
发表于 2025-3-24 06:04:35
Laxminarayan Das,P. K. Swain,S. K. Parhie a nebula as a barely visible ghostly glow in the eyepiece, while a seasoned observer will see intricate details and even in some cases various hues. It’s all a matter of the training of the eye—and along with it the brain that processes the images formed by the telescope.
Negotiate
发表于 2025-3-24 07:49:31
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扔掉掐死你
发表于 2025-3-24 11:36:14
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猛然一拉
发表于 2025-3-24 14:59:21
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蚀刻
发表于 2025-3-24 19:33:48
Telescope Sourcesa 50 Vorlesungs und 25 Übungsstunden vollständig durchgearbeitet. Die Grundzüge der Ingenieurma thematik (Differential- und Integralrechnung, lineare Algebra) und Grundkenntnisse elektrischer Netzwerke werden dabei vorausgesetzt. Wenn diese Kenntnisse schon früh genug erlernt werden, ist der Stoff
载货清单
发表于 2025-3-24 23:23:59
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