Study on negative index metamaterials for improving space telescope resolution
采用负折射率材料提高空间望远镜分辨率的理论研究
Advance in precision deployment techniques for space telescopes based on tape springs
基于带状弹簧的空间望远镜精密展开技术进展
The space telescope system is required to be light.
空间望远镜的研制一直要求系统的轻量化,美国宇航局(NASA)最近研制的韦伯太空望远镜,其主镜系统面密度相对于哈勃空间望远镜已大幅减轻。
Each of the Viking series of night vision binoculars are similar yet different.
每一个维京系列夜视望远镜看似相似,但却个个不同的。
He raked the horizon with a telescope.
他用望远镜扫视地平线。
The DSAS can be tripod mounted or easily attached to camcorders, binoculars, spotting scopes and night vision devices.
该地区体育会可以三角架展开或容易被重视,摄像机,望远镜,探测范围和夜视装置。
A fire lookout scanned the hills with binoculars.
火警监视员用双筒望远镜嘹望山区。
There are innumerable telescopic stars in the sky.
夜空中有无数个用望远镜才看得到的星星。
And a new telescope is open for public nightly viewing programs.
一架新的望远镜为游客夜间观察提供方便。
The bird-watcher raked the trees with his binoculars.
观察野鸟的人用双筒望远镜扫视树木.
He swept the sky with his binoculars.
他用双筒望远镜扫视天空。
The astronomer scanned the heavens through a telescope.
天文学家用望远镜扫视天宇。
The bird - watcher raked the trees with his binoculars.
观察野鸟的人用双筒望远镜扫视树木。
periscope binoculars
潜望镜式双筒望远镜
Do not view the sun with this binocular or even with naked eye .
请勿使用此双目镜/双筒望远镜或裸眼直视太阳。
You can focus your telescope on that distant television tower.
你可以对着那座远方的电视塔调节望远镜的镜头。
long focus lens
长焦距(望远)镜头
ultra-low-expansion mirror telescope
超低膨胀率镜望远镜
a binocular telescope microscope ]
双筒目]望远镜显微镜]
A binocular or field glass.
双目镜,双筒望远镜
prismatic binoculars
棱镜式双目望远镜.