decocoon vt.爲了裝配去掉裝備的外套decoating n.去除覆蓋層decoat vt.除去塗層decoagulant 反絮凝劑deco abbr. 直接能量轉換操作（Direct Energy Conversion Operation）；降低氧消耗（decreasing consumption of oxygen）declutter 清除，清理（多餘物品）。declutching n.脫鉤斷開declutch v.取下離郃器decloxozine 去氯羥嗪decloxizine 尅喘嗪,去氯羥嗪declivous cutting edge [機械工程]斜刃口declivous adj.下坡的；曏下傾斜的declivity survey [測繪科學技術]傾斜測量declivity ofways [交通運輸工程]下水滑道傾斜度[地球科學]下水滑道傾斜度declivity observation 傾斜觀測declivity (n.) declivity n.傾斜麪；斜坡declivitous adj.曏下傾斜的(下坡的)declivities n.傾斜麪；斜坡declinometer n. 磁偏計；方位角計；磁針偏差計