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 streets of cobble stone.行走在鹅卵石铺就的狭窄街道上。narrow concept of criminal policy狭义刑事政策narrow band - gap semiconductor窄带隙半导体narrowing of intervertebral space椎间隙变窄narrowleaf dogwood flower of leaf野荔枝narrow-band interference filter狭带干涉滤色片narrow-deviation FM transmitter窄频偏调频发射机narrow-gate range potentiometer精确距离电位计narrow-shift frequency-keying窄频段的移频键控Narrow sublevel open stope method窄分段分采空场法