1) narrow line radio galaxy,NLRG
窄线射电星系
2) Broad(narrow)-line AGNs
宽（窄）线AGNs
3) narrow bandwidth
窄线宽
1.
It has features; such as singlemede output; narrow bandwidth;wide wavelength range;continuously tunable; highpumping efficiency and so on.
稳定可靠，具有单模输出、窄线宽、波长覆盖范围宽、连续可调谐、泵浦效率高等特点的钛宝石激光器。
4) narrow-linewidth
窄线宽
1.
Experimental study of the 100mW narrow-linewidth low noise fiber laser;
100mW窄线宽低噪声光纤激光器的实验研究
5) narrow linewidth
窄线宽
1.
Fiber laser with low noise and narrow linewidth;
一种低噪声窄线宽光纤激光器
2.
A high Er~(3+)-doped narrow linewidth fiber laser based on fiber Bragg grating(FBG)Fabry-Perot(F-P) cavity was demonstrated.
报道了采用双光纤光栅(FBG)法布里-珀罗(F-P)腔选模的线形腔结构窄线宽光纤激光器。
6) narrow line-width
窄线宽
1.
A narrow line-width fiber ring laser with frequency selecting by fiber Bragg grating(FBG) short linear cavity is reported.
报道了采用光纤光栅(FBG)短直腔选频结构的环形腔窄线宽光纤激光器。
2.
The experiment demonstrates that, via further optimization of the laser cavity, narrow line-width laser may be achieved with the homemade single-mode Er3+ /Yb3+ codoped phosphate f.
实验表明,通过优化谐振腔的参数,可望在自制单模磷酸盐光纤中实现窄线宽的单频激光输出。
参考词条
补充资料：胎圈过窄、子口窄、圈窄等
分子式：
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。