分组原始流
packetized elementary stream
原始原生水饱和度
initial connate water saturation
原始原油地层体积系数
original formation volume factor
SAR原始回波仿真
SAR raw signal simulation
按原始设计制造
ODM Original Design Manufacture
变应原原料
Raw materials of allergens
草原退化
Degradation of grassland
Deterioration
rangeland degradation
Grassland degradation
degeneration of grassland
grassland deterioration
Steppe degradation
grassland degeneration