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 neck electron gun细颈电子枪narrow-band controller窄范围控制器narrower-broader order狭义到广义的序列narrowleaf patrinia root狭叶败酱narrow-sensed ideology狭义意识形态narrowleaf rockvine herb五爪金龙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narrower term references限定词参照Narrowband Tape Recorder窄带磁带记录器