narrow gun窄径电子枪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 crowned pendula Norway spruce窄冠垂枝挪威云杉narrowly and conventionally moral.道德观上狭隘而老套的。narrow-range throttling controller窄范围扼流控制器narrow band interference suppression窄带干扰抑制narrow-band reflected signal by SAW窄带回波信号narrow-band optical bandpass filter窄带光学带通滤波器narrow molecular weight distributions窄分子量分布Narrow the regional price differences缩小地区差价narrow - band interference excision窄带干扰抑制narrowband analog mobile phone service窄带模拟移动电话业务