We know that this telescope has been perfected by the long-continued efforts of the highest human intellects . 望远镜之所以能达到完善，是人类以最高的智慧，经多年研究的结果。
Most of the planets, on the other hand, are magnified to clear disks by a telescope of even modest power . 然而，即使用一个倍数适中的望远镜，也能把大部分行星放大成清晰的圆面。
In 1967, a new type of radio telescope intended for the study of interplanetary scintillation came into operation . 1967年，一种新型的打算用于研究行星闪烁的射电望远镜投入了工作。
Far-infrared spectroscopy with high resolution will soon be possible from both aircraft and balloon-borne telescopes . 用飞机和气球运载望远镜进行高分辨率远红外波谱分析不久即将实现。
There is a certain degree on un-steadiness of the air that causes a tremor of the picture seen through the telescope . 空气也会有某种程度的不稳定，使得通过望远镜看到的显象发生抖动。
Nestled deep in the green hills of west virginia, a dish-shaped telescope keeps an unceasing vigil on the sky . 在西弗吉尼亚州绿丘起伏的深处，一个盘状的射电望远镜一直毫不间断地监视着天空。
People buy books on aircraft identification, and spend whole afternoons on their backs, looking at the sky through telescopes . 人们购买识别飞机方面的书籍，每天下午仰卧在地上，用望远镜观察天空。
Even a careless momentary look through the eyepiece of field glasses or the telescope can do great harm to the eyes . 通过望远镜或双筒望远镜的目镜，即使对太阳只是漫不经心的一瞥，也会对眼睛造成严重的伤害。
After the sunset the quality of the image in the telescope improves slowly only to deteriorate again one to two hours before midnight . 日落后望远镜中显象的质量缓慢地改善，只是到子夜前一、二小时才再度变坏。
The resolution of a telescope is determined by the ratio of the wavelength of the radiation received to the diameter of the instrument . 一个望远镜的分辨本领取决于它所接收的辐射的波长对这个仪器本身的直径的比值。
