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
narrowsepal loosestrife herb水伤药
narrow-beam scanning radar窄束扫描雷达
narrow industrial revolution工业革命
narrow quadrilateral element窄四边形元
narrow-band crystal filter窄带晶体滤波器
Narrow Band Voice Modulation窄带语音调制
narrow-spectrum antibiotic窄谱抗生素,窄谱抗菌素
narrow and long sewer tunnel狭长排污隧洞