黄土高原区可利用能量中用于加热大气的能量占30%, 蒸发水分的消耗能量约50%;
In the Loess Plateau, however, only 30% of energy goes to atmosphere heating and 50% is lost to evaporation.
核裂变连锁反应发生时,导管被加热到极其高的温度,将热量安全导出则意味着可以提取裂变产生的可利用能量。
During a nuclear fission chain reaction, the tubes heat up to extremely high temperatures, and the way to keep them safe turns out to also be the way to extract useful energy from them.
第二阶段是由近地面微气象条件决定的水分凝结过程,所吸收水量受空气水汽压、地面温度和地表可利用能量的影响。
The second is the process of water condensation determined by air vapor, soil surface temperature and the available energy of soil.
So if you were starving and you really needed energy, that is your body needed calories, it needed usable energy in order to survive, the broccoli's not going to do you much good and the brownie would be terrific.
假如你快饿死了,实在需要能量,那是你的身体需要卡路里,身体需要可利用的能量去支撑,花椰菜这时就没多大帮助了,布朗尼蛋糕才是首选
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