英语词汇“picture exchange communication system”的翻译、意思、用法、释义-英汉汉英词典

单词	picture exchange communication system
释义	Picture Exchange Communication System {=PECS}圖片兌換溝通系統教育學名詞—特教名詞
随便看	constant changes constant changes, as in politics constant changes, as in polities constant charge surface constant chord constant chord blade constant chord wing constant coefficient constant-- cold constant companion constant comparison constant composition elution constant composition solution constant-conductance network constant control of voltage constant cost constant cost-- fixed cost constant cost; fixed cost constant cost industry constant cost，fixed cost constant-- coupling constant creep constant cross of axes constant current constant-current