The galactic center is a rich and complex source of infrared radiation in which interesting phenomena occur in great variety.
银河系中心是一个红外辐射丰富和结构复杂的源，在那里发生着各种各样的有趣现象。
2
The high energy radiation mechanism research of active galactic nuclei is a key to understanding their structure, evolution features and origin of central drive.
活动星系核的高能辐射机制研究对于揭示其结构和演化特征以及中央驱动之谜具有极其重要的意义。
3
The estimated average energy of the particles in the cabin is on the level of Galactic cosmic radiation.