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反射望远镜[Reflecting Telescope] [2005-9-30] iamet 发表在 ¤〖天文〗
| | Reflecting telescopes (called "reflectors") come in five main configurations: prime focus, Newtonian, Cassegrain, Coudé, and Schmidt camera. The Ritchey-Chrétien design is also used. | 学好数理化,走遍天下都不怕! | |
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