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dra abbr.
arabic, desert. 纵向沙丘垄
desert. 纵向沙丘链; 线形-金字塔复合沙丘; 肾形沙丘; 大尺度风成沙堆积; 谷间丘陵 (撒哈拉); 固定沙丘 (毛里塔尼亚,风成沙堆积可分沙纹 (sand ripple)、沙丘 (dune) 和大沙波 (large sand-wave) 三类。有些学者把大沙波称作 dra'a。据在秘鲁普尔-普尔沙丘 (Pur-Pur dune) 地区观测、dra'a每年前移45cm、叠置在上面的普通新月形沙丘每年前移9m。在撒哈拉地区, dra'a多指高达100〜200m以上的巨型沙体,一般不向前移动,多为古老沙丘、甚至在迈尔祖格沙漠地区的 dra'a 一般应译为综合纵向沙垄或复合纵向沙垄,很少指横向沙垄)
 English thesaurus
DRA abbr.
abbr. Director Of Regional Advocacy; Dravidian; Drug Regulatory Affairs; dead reckoning analyzer; Defense Reorganization Act; Defense Research Assessment; Defense Resources Act; Disaster Reduction Alliance (Vladimir71); Dravidian (Other); Directorate of Research Analyses; diastolic reflection area
abbr., AI. Data-representation Advisor
abbr., astronaut. design reference architecture (MichaelBurov)
abbr., avia. defence research agency; data reduction and analysis; data requirement and analysis; design review agenda; dispatch reliability analysis; drift angle
abbr., BrE Director, Royal Artillery
abbr., earth.sc. differential reaction analysis; disaster relief act; dynamic routing algorithm
abbr., ed. Developmental Reading Assessment
abbr., el. Defence Research Agency; discretionary-routed array
abbr., IT Daily Round Archives
abbr., med. Dextran-reactive Antibody (imaging); Digital Rotational Angiography (imaging); Distal Rectal Adenocarcinoma (imaging); Distal Reference Axis (imaging)
abbr., microel. design registration accuracy (key2russia)
abbr., mil. Decision Risk Analysis; Detailed Requirements Analysis
abbr., mil., air.def. Defense Research Agency
abbr., O&G drag reducing agent (MichaelBurov)
abbr., O&G, sahk.r. Drag Reducing Agent
abbr., oil drag reduction agent; drag-reducing agent; density alarm recorder
abbr., opt. discontinuously reinforced aluminum
abbr., pipes. drag-reducing additive (igisheva)
abbr., psychol. differential reinforcement of alternative behavior
abbr., publ.law. drug regulatory authority (igisheva)
abbr., radio, scient. Delaware Repeater Association
abbr., scottish Discontinuous Reinforced Aluminum programme (USAF); Dynamic Range Adjustment
abbr., space dual rail adapter
abbr., st.exch. Duraswitch Industries, Inc.
abbr., telecom. Diameter Routing Agent (Reklama)
mil. declaration of reinforced alert; division rear area; document release authorization; Doppler radar
tech. data rate adapter; dielectric rod antenna; digital read-in assembly; digital recorder analyzer; discretionary routed array; dropped rod accident; drum read amplifier; dynamic resonance absorber
Dra abbr.
lat. Draco (the Dragon, Дракон Vosoni)
dra: 9 phrases in 2 subjects
Arabic language1
Desert science8