英语短语词组词汇PCA的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	PCA
释义	PCA abbr. Production Code Administration 生产法规管理局 Progressive Citizens of America 美国进步公民【化学】杀敌敏 Printed Circuit Assembly 印刷电路插件 Program Communication Area 程序通信区域
随便看	relative age relative aperture relative atomic mass relative atomic masses relative attenuation relative azimuth relative bandwidth relative bearing relative biological effectiveness relative chronology relative clause relative clauses relative coding relative compaction relative contour relative current relative densities relative density relative deprivation relative direction relative directions relative dispersion relative divergence relative error relative error of closure

老街网英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。