Spitzer data has confirmed that the tailregion was recently torn off the main body of the galaxy.
斯皮策的数据证实,尾区最近被从银河系的主体撕去的。
2
The tail consists of 4 segments: neck region, midpiece, principle piece and endpiece.
尾部又分4段:颈段、中段、主段和末段。
3
Structurally, a gene is formed by three regions: a regulatory region called the promoter juxtaposed to the coding region containing the protein sequence, and a “3’ tail” sequence.