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河流解冻
释义
河流解冻
Encyclopedia
工学
河流冰情
释
ice break-up of river
河流解冻
气温上升至0℃以上时,封冻河段在热力和水力作用下冰盖融化和鼓裂,在较长的河段内已没有固定的冰盖,且敞露水面上下游贯通,其面积超过河段总面积20%的现象。又称开河。
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subsidiary variable
subsidies for farm machinery and tools
subsidies for good crop varieties
subsidies for small-scale farmland water conservancy
subsidized light
subsidized loans for poverty alleviation
subsidize to participate medical insurance for urban and rural residents
subsidy for agriculture
subsidy for pratacultural production
subsistence of value
subsistence small-scaled peasant
subsity to cultivate moral integrity
subsoil
subsoiling fertilization seeder
subsolar point
subsolar point altitude
subsolar point temperature
subsolidus
subsolifluction
subsolution
subsonic
subsonic flow
subsonic inlet
subsonic speed
subsonic turbine stage
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