shell galaxy是什么意思

网络释义

用法例句

In the latter classifications of IRAS Low Resolution Spectra(LRS), 9 candidates of OH/IR stars with SiC circumstellar envelopes are selected out from nearly 2000 known IRAS sources with OH maser emission at 1612MHz.

利用ＩＲＡＳ低分辨率光谱（ＬＲＳ）观测资料，从近２０００个具有１６１２ＭＨｚＯＨ发射的ＩＲＡＳ源中，发现９个具有碳化硅特征拱星壳层的ＯＨ／ＩＲ星的候选者。

The observations and studies of the OH megamasers associated with AGN and starburst galaxies are the very efficient tools to investigate characteristics of their central sources an.

对河外星系OH超脉泽的观测和研究,是探测和研究其所成协的活动星系核、星暴星系的中央源和拱核盘的有效工具。