| 1. | A powerful laser and astronomical telescope are used for this measurement . 在测量时使用了一台功率强大的激光器和一台天文望远镜。 |
| 2. | The mirror of an astronomical telescope forms at its focal point an image of a star on the axis of the mirror . 天文望远镜把在镜轴上的星体成象在焦点上。 |
| 3. | He was too poor to buy an astronomical telescope 他太穷了,买不起天文望远镜。 |
| 4. | F70076 newtonian reflector astronomical telescope F70076牛顿反射式天文望远镜 |
| 5. | Making astronomical telescope 天文网络电子告示板 |
| 6. | Optics and optical instruments - telescopic systems - specifications for astronomical telescopes 光学和光学仪器.望远装置.天文望远镜的规范 |
| 7. | A mounting for astronomical telescopes that permits both horizontal and vertical rotation 经纬仪天文望远镜的底座,可以使望远镜水平和垂直旋转 |
| 8. | Optics and optical instruments - test methods for telescopic systems - test methods for astronomical telescopes 光学和光学仪器.望远镜系统试验方法.天文望远镜试验方法 |
| 9. | To see the surface of mars , you need an astronomical telescope . it appears as a bright orange - red spot when seen with naked eye 要欣赏火星的表面,需要天文望远镜的帮助,以肉眼观看,火星将会是一明亮的橙红色光点。 |
| 10. | The main products are bio - microscope and astronomical telescope for a wild range of applications in the areas of teaching , scientific education and laboratory 公司生产的生物显微镜和天文望远镜,广泛用于教学实验科研科普。其塑料生物显微镜系列产品,更是受到国内外广大少年儿童的喜爱。 |