圆规座

Astronomers studying the Circinus galaxy are seeing evidence of a powerful AGN at the center of this galaxy as well.

研究圆规座星系的天文学家们同样也发现图片中显示的这个星系有AGN。

Much of the gas in the disk of the Circinus spiral is concentrated in two specific rings -- a larger one of diameter 1,300 light-years, which has already been observed by ground-based telescopes, and a previously unseen ring of diameter 260 light-years.

在圆规座的漩涡星系中的大部分气体都与两个具体的"环"有密切的联系。那个较大的，直径大约有1，300光年，它已经被地基望远镜观测到了。而先前，我们没有观测到的那个小"环"，直径大约有260光年。

Located near the plane of our own Milky Way Galaxy, the Circinus galaxy is partially hidden by intervening dust along our line of sight.

由于靠近银盘的附近，圆规座星系就被灰尘部分的遮挡了。

Circinus:a constellation in the Southern Hemisphere near Musca and Triangulum australe.

圆规星：座位于南半球在苍蝇座和南三角座附近的一个星座。

Now an international team of astronomers has finally observed the acceleration of protons within a shock wave. Using the Very Large Telescope in Paranal, Chile, and NASA's Chandra spacecraft, they measured the visible light and x-ray emissions of the remnant of a supernova about 8200 light-years away in the direction of the constellation Circinus.

现在，一个由天文学家组成的跨国研究小组终于观察到激波内部质子的加速情况，他们利用智利帕拉纳尔的甚大望远镜和美国国家航空航天管理局的钱德拉太空船，测量到了圆规座方向大约8，200光年处一颗超新星残骸发出的可见光和 X 射线。

A constellation in the Southern Hemisphere near Musca and Triangulum Australe.

圆规星：座位于南半球在苍蝇座和南三角座附近的一个星座。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。