narrowbeamn.狭窄射线(窄束)
narrowadj.有限的;狭窄的;精密的;度量小的n.海峡;隘路;狭窄部份v.变窄
narrow-band controller窄范围控制器
narrower-broader order狭义到广义的序列
narrow-sensed ideology狭义意识形态
narrow spot beam antenna窄点波束天线
narrow-base photodiode窄基底光电二极管,薄基底光电二极管
Narrowband Tape Recorder窄带磁带记录器