英语词汇frequency doubling system怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	frequency doubling system
释义	frequency doubling system
随便看	file management system permission file managemnent subsystem File manager File managers file manger file manipulation file manipulation architecture file manipulation command file manipulator file map file map directory file mapping file map table file mark filemark file marker file marks file mask filemask filemasks file matching file medium file memory file memory controller File menu

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。