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 band tunable InSb detector窄带可调谐锑化铟探测器Narrow down your target market.尽量缩小你的目标市场。narrowbract Indian kalimeris herb路边草narrow-band width interpolation窄带宽内插,窄带宽内插法narrow-leaf or dwarf type lines窄叶或矮生形品系narrow beams of light/sunlight一丝丝的光线/阳光narrow gap submerged arc-welding窄间隙埋孤焊narrow-aperture direction finder小基础测向机narrow-band communication system窄带通信系统narrow-band phase-shift keying窄带移相键控