您要查找的是不是：
- This star is a red giant with a visual magnitude of 17. 这颗恒星是一颗红巨人与一个视觉幅度17.
- The stellar detection limit of one APS is 6.31 visual magnitude when the threshold of SNR is 5. 在信噪比阈值为5的情况下，得到某类APS的探测极限为6.;31星等。
- Mag. is the apparent visual magnitude of the planet, and Solar Elong gives the elongation or angle between the Sun and planet. Mag.;是行星的视星等，SolarElong是太阳和行星之间的角距离。
- The magnitude of the epidemic was frightening. 这种流行病传播范围之广令人惶惶不安。
- Her designs have a strong visual appeal. 她的设计在视觉上很有感染力。
- Telescopes and microscopes are visual instruments. 望远镜和显微镜是光学仪器。
- You haven't realized the magnitude of her achievement. 你没有认识到她这一成就的重大意义。
- Numerical data linearly ordered by magnitude. 按量值大小直线形排列的数字数据
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Of enormous size or magnitude; huge. 巨大的，庞大的规模巨大或大得出奇的; 巨大的
- I had not realized the magnitude of the problem. 我没意识到这个问题的重要性。
- I want to know the magnitude of this equipment. 我想知道这个设备的大小。
- It is difficult to imagine the magnitude of the universe. 宇宙的广大很难想像。
- No one comprehended the magnitude of the problem then. 当时无人认识到这一问题的严重性。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- apparent visual magnitude 视目视星等
- visual magnitude 目视星等
- A device that gives information in a visual form, as on a screen. 显示器，指示器一种以视觉方式显示信息的装置，如荧光屏显示
- The magnitude of the star at such a moment. 变星极亮时的光度
