顯色對(duì)比度 顯影反差developmentcycle: 發(fā)展周期 研制周期 開(kāi)發(fā)周期developmentbyleapsandbounds: 跳躍式發(fā)展developmentlevel: 發(fā)展水平developmentandreformofscienceofeducation: 教育科學(xué)發(fā)展與改革developmentmachine: 掘進(jìn)機(jī)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
