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	request stop request stop request terminal type request to send request transmission request unit request unit portion request word request-answering system request-response unit request/allocate overhead request/grant logic Request/Response Unit requested requested requested requested requester Requester requester requesting requesting requesting requesting bank requests

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。