垄上抗旱玉米精密播种机具有减弱水气对流损失、抵御干旱、提墒、保湿的作用。
The precise drought-resistant maize seeder rolling on the ridge could weaken hydrosphere convection loss, prevent drought, raise humidity and keep humidity.
同时讨论了对流热损失对金属薄膜热行为的影响。
In addition, the effects of convective thermal losses on the thermal behavior of thin metal films are discussed.
以损失数作为目标函数来表征该热力学过程的不可逆程度，分析了管道内对流换热过程中的损。
The exergy loss number is used in this paper as the objective function to indicate the irreversibility of the thermodynamic process.
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