英语词汇niche sign是什么意思，niche sign的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	niche sign
释义	niche sign　【医】龛影, 豪德克氏征(一种穿孔性胃溃疡的X线征)
随便看	radar search apparatus radar selector switch radar shade radar shadow radar sight radar signal film radar signal spectrograph radar signalling radar silence radar site radar sonde radar station radar station radar station pointer radar surveillance radar surveying radar synchronizer radar target radar television radar tester radar theodolite radar threshold limit radar trace radar track command guidance radar track speed

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。