查询词典 telescopes

Another application: a liquid crystal pane held in front of the mirror of a telescope could be used to "unwrinkle" light that has passed through Earth's turbulent atmosphere. Such adaptive optics telescopes could gain a crystal-clear view of the heavens from Earth's surface.

还有一种应用：在望远镜镜头前放一液晶片能"展平"那些穿过地球湍动大气层而"起皱"的光线，这样的主动光学望远镜能使人在地面上看见一个像水晶一样清澈的天空。

It is located about 12 million light-years away in the Ursa Major constellation and is one of the brightest galaxies that can be seen from Earth through telescopes.

它位于大约1200万光年的URSA患者主要星座，是其中最亮的星系这可以从地球上通过望远镜。

In the past, soldiers had to stand on high watchtower and observe the situation with telescopes.

他边操作边对我们说，边境线上无小事。

On that occasion twelve wide-angle telescopes were set up.

在这一天，他们架起了12座广角望远镜。

In the 1960'S and 1970'S,radio telescopes searched space for signs of intelligent life be—yond Earth.

二十世纪六、七十年代，射电望远镜搜索太空寻找地球外存在智慧生命的迹象。

Mirror telescopes of Newtonian, Cassegrain and Schmidt designs included models up to 1.25 meter aperture in single, or double or even triple configurations for astrographic applications.

还生产牛顿型、卡塞格伦型和施密特型镜面反射望远镜，包括物镜口径达到了1.25米的单筒的、双目的和&三眼&的型号，供专业天文定位使用。

Still another technique, very long baseline interferometry, has radio telescopes on the ground listen to extragalactic radio waves to detect changes in the positions of the ground stations.

还有另一种方法，有非常长的基线干涉测量，在地面上有射电望远镜，去听银河系外的无限电波以侦察地面站的位置的改变。

This year was pic ked by the International Astronomical Union and the United Nations Educational , Scientific, and Cultural Organization because it occurs 400 years after Gali leo turned one of the first telescopes toward the heavens.

国际天文联盟和联合国教科文组织之所以选择2009年为天文年，肇因於这是伽利略把首批天文望远镜指向天空后的四百年。

Keplerian telescopes, in contrast, invert the image.

开普勒望远镜，相反，反转图像。

Despite 600 gift boxes that contained everything from mechanical clocks to telescopes and mathematical instruments, the emperor rebuffed Lord Macartney's entreaties on trade.

尽管这600箱礼物从机械时钟到望远镜再到数学仪器应有尽有，但乾隆皇帝还是回绝了马嘎尔尼的通商请求。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。