英语词汇hard currencies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	hard currencies
释义	hard currencies antiquarianismn. 古物研究；好古癖
随便看	proportional plus derivative controller proportional plus derivative controller, PD controller proportional plus derivative controller,PD controller proportional plus derivative control, PD control proportional plus derivative element proportional plus floating action proportional plus floating control proportionalplusfloating control proportional plus integral action proportionalplusintegral control proportional plus integral control proportional plus integral control action proportional plus integral controller proportional plus integral controller, PI controller proportional plus integral controller,PI controller proportional plus integral control, PI control proportional plus integral control system proportional plus integral element proportional plus integral plus derivative action proportional plus integral plus derivative control proportional plus integral plus derivative controller proportional plus integral plus derivative controller, PID controller proportional plus integral plus derivative control, PID control proportional plus integral plus derivative element proportional plus integral plus differential action control

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。