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- astrographic refractor 折射天体照相仪
- A three-inch refractor will give an excellent view. 一架三英寸的折射望远镜就能看到极好的景象。
- Fantastic Zodiac Astrographic in great conditions. 成色 1 (新);购买日期 70's;
- This refractor is perfect for everyone! 这折射镜是极其精美的，对每一位同好！
- And lastly, you can trust an APO refractor. 折射镜总是可以信赖的。
- Almost any type of telescope will do (reflector or refractor). 几乎所有类型的望远镜都可以（反射或折射等）。
- A three-inch refractor will give an excellent view as well as showing Titan. 一架三英寸的折射望远镜就能看到极好的景象，还可以看出土卫六。
- Now I will perform the retinal refracting.This is a retinal refractor. 现在给你作检影检查，这是视网膜检影仪。
- Noe I will perform the retinal refracting. This is a retinal refractor. 现在给你作检影检查，这是视网膜检影仪。
- M31, M33, M83 and NGC 253 were taken through the little Ioptron 80mm refractor. M31，M33，M83和NGC253用的是那个小小的艾顿80毫米折射镜。
- Early history of the photographic sky maps with wide-angle astrograph is reviewed briefly.12 famous patrol atlases and maps are outlined. 略要地回顾了应用广角天体照相似的照相天图发展历史。
- The refractor is light weight, portable and can be used for either visual or CCD imaging. 该折射的是重量轻，携带，可用于无论视觉或ccd成像。
- He began examining nearby galaxies with a 10-inch refractor to see whether any stars had flared up. 他用口径10英寸的折射望远镜巡视邻近的星系，查看是否有恒星已经闪亮。
- The data of 117 pairs of visual double stars are presented,which are got with the eyepiece micrometer of the 40 cm astrograph during 1981.10-1984.12 at Zo-Se. 本文给出1981.;10-1984
- A woman looks through a refractor telescope with a solar filter on top of the roof of a school in Hong Kong. 香港一学校屋顶上，一位妇女用带有滤光片的折射望远镜观看。
- Discovered by Barnard 1892 September 9 using the 36 inch (91 cm) refractor at Lick Observatory. 它于1892年9月9日由Barnard于Lick天文台用36英尺（91厘米）折射望远镜发现。
- The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass. 透镜望远镜，或称折射望远镜，在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
- Namely, the concentration is controlled with the refractor factor that is corrected by viscosity and cooling rate tests. 生产应用证明,该方法直接、简单、有效。
- This paper gets data of 63 pairs of visual double stars measured on the eyepiece micrometer during 1980.7-1981.9 with the 40 cm astrograph of Zo-s6 section of Shanghai Observatory. 本文给出1980.;7-1981
- It is 8 inch in aperture then it is 8 inch.A 6 inch telescope, no matter it's a refractor or Newtonian, cannot match a C8 in terms of light grasp and resolution. 但你不好忘记卡式焦点的望远镜;实际有效口径根本无8吋;一台c8实际只等于6吋口径的牛镜;只是长度短了.;所以c8同6"牛镜;同蜀大量生产的普及形
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海词词典，十七年品牌
