ddrd: Deputy Directorate of Research and Development 研究與開發(fā)署副署長 ddrawn wire: n.冷拉鋼絲 ddrf: = Diskette Drive ReFerence,軟盤驅(qū)動器訪問 ddraw feature: n.繪圖特征碼 ddrh: = Digital Data Recording Head,數(shù)字?jǐn)?shù)據(jù)記錄頭 ddram: [網(wǎng)絡(luò)] 顯示數(shù)據(jù)存儲器;數(shù)據(jù)存儲器中;顯示存儲器 ddrmi: Digital Distance and Radio Magnetic Indicator 數(shù)字式距離和無線電磁指示器 ddrainage map: n.流域圖,水系圖 ddrrr: [網(wǎng)絡(luò)] 重新安置和重返社會;解甲返鄉(xiāng) ddra: = Data Directional Register A,數(shù)據(jù)定向寄存器A