narrowbandn.窄频带(狭频带)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 rectangular window矩形窄缝Narrow the generation gap缩短代沟narrow band ultraviolet B窄谱Narrow-striped mongoosen.窄纹獴narrow-band rf channels[电] 狭带射频道narrow band-pass filter窄带滤光片narrow categorizing style细密型narrow sense heritability狭义遗传率narrowband interferometer窄带干涉仪narrow-gap spark chamber窄隙火花室