大、中型气田  middle-large gas field

大中型油气田  major field; large and medium field

大气大气压  atmosphere

大气大气压大气气氛  atmosphere

大气大气压气氛  atmosphere

大型气田  large production gas field

大中型型钢轧机  heavy and medium section mill

220 kV大型中心变电站  220 kV large central substation

HM型大型磨机磁性衬板  HM magnetic liners for large grinding mills

标准大气中传播  standard propagation

大、中型铝合金锻件  large and medium aluminum alloy forings

大、中型浅水草型湖泊  Large and medium shallow weed-type lake

大气大尺度运动  The large-scale motion in the atmosphere

大气气候  atmospheric climate

大气气流模式  atmospheric flow pattern

大气气溶胶  atmospheric aerosol; Air; Polycyclic aromatic hydrocarbon; Aerosol; atmospheric aerosols; gas aerosol; aerosol particles; atmosphere aerosol; Lanzhou city; amospheric aerosols; Wind; Air aerosol

大气气溶胶光学厚度  aerosol optical depth

大气气溶胶光学厚度AOD  Aerosol Optical Depth AOD

大气气溶胶光学特征  Optical propertise of atmospheric aerosol