查询词典 primal variable

Of the great nebula called Andromeda. Cepheid variable stars are stars whose brightness changes at

被称为瑟福尔的可变恒星的亮度都是在一个很有规律的时段里改变。

This view of NGC 3370 was obtained by the Hubble Space Telescope using the Advanced Camera for surveys and is sharp enough to identify individual Cepheid variable stars in the galaxy.

星系NGC 3370的中心分布着轮廓鲜明的尘埃带和一个不太容易辨认的核。

Cepheid variable stars are used to establish extragalactic distances.

这张清晰度非常高的图片是哈勃太空望远镜利用高级测量摄像机拍摄，我们通过它甚至能看到该星系里的单个造父变星。

Astronomers made observations of Cepheid variable stars— pulsating stars used to measure vast distances— in the Virgo and other clusters to establish the expansion rate and the universe's age.

天文学家用哈勃观测到仙女星座和其它星群中的造父变星以确定宇宙的膨胀速度和宇宙的年龄。

Hubble made precise measurements of Cepheid variable stars in the galaxy, highlighted by green circles in the four inset boxes.

哈勃望远镜精确测量了星系中的造父变星（四个小图中用绿色圆圈标出）。

Astronomers made observations of Cepheid variable stars —pulsating stars used to measure vast distances—in the Virgo and other clusters to establish the expansion rate and the universe's age.

天文学家用哈勃观测到仙女星座和其它星群中的造父变星，以确定宇宙的膨胀速度和宇宙的年龄。

Astronomers made observations of Cepheid variable stars —pulsating stars used to meas

地理学家用哈勃瞧测到仙女星座和其它星群中的造父变星，以确定宇宙的收缩速度和宇宙的年龄。

Astronomers made observations of Cepheid variable stars —pulsating stars used to measure vast distances—in the Virgo and other clusters to establish the expansion rate and the universes age.

天文学家用哈勃观测到仙女星座和其它星群中的造父变星，以确定宇宙的膨胀速度和宇宙的年龄。

Cepheid variable stars – a class of stars named in honor of Delta Cephei – serve as cosmic yardsticks, enabling astronomers to measure the distances to faraway galaxies.

造父变星——以Delta Cephei的名义命名的一类星——充当宇宙的标尺，使得天文学家可以测量与更为遥远的星系之间的距离。

The SHOES team used Hubble's Near Infrared Camera and Multi-Object Spectrometer and the Advanced Camera for Surveys to observe 240 Cepheid variable stars across seven galaxies.

SHOES团队使用哈勃望远镜的近红外相机和多目标光谱仪、高级巡天相机观测了综括7个星系的240颗造父变星。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。