当前类别：地理地质
双色印刷：two-color printing
双曲线笔：double line swivel pen
双目观察：binocular vision
双面水准尺：reversible rod
双面类：pinacoidal class
双面：double-faced
双晶轴：twinning axis
双晶滑动：twin gliding
双晶边界：twin boundary
双金属温度表：bimetallic thermometer
双交代作用：bimetasomatism
双火山：double volcano
双海岸线：double coast line
双光轴的：optically biaxial
双观测：double measurement
双对领合湖：dimictic lake
双翅的：dipterous
双程水准测量：double levelling
双层金属版：bimetallic plate，bimetal plate
双瓣的：bipetalous
双凹的：biconcave
衰退常数：recession constant
衰减效应：Attenuation
衰减核素：extinct nuclide
衰变砾石层：decayed gravel bed
数字信息：digital information
数字式计算机：digital computer
数字式地震仪：digital seismograph
数字式地震剖面仪：digital seismic profile instrument
数字深层地震仪：digital deep-level seimograph
数字-模拟变换器：digital to analogue converter dac
数字几何校正：digital geometric correction
数字化器：Digitizers
数字地震仪：digital seismograph
数字地震勘探：digital seismic survey
数字地震记录仪：Digital Seismograph
数字地震记录：Digital seismic record
数字地震放大器：digital seismic amplifier
数字地震：Digital seismology
数字地图：digital map
数字等级：numerical grade
数字比例尺：representative fraction(of map)
数值摄影测量：numerical photogrammetry
数值刻度：numerical scale
数值解释：numerical solution
数值等级：value class
数学地貌学：mathematical geomorphology
数学程序设计：mathematical programming
数码化红外云图：digital infrared cloud picture
数量表示法：ways of indicating quantity