energy demand

• 需能量

energy demand的用法和样例：

例句

1. The amount of energy required to process different foods varies widely.
   加工不同食品所需能量变化很大。
2. Let us work out the time that would be taken for an atom to absorb the energy required to produce a photoelectron.
   让我们求出一个原子产生一个光电子吸收所需能量应该经历的时间。
3. However, flight required an incredible amount of energy, replenished through the consumption of concentrated foods and high-energy egg-seeds.
   然而，飞行的能量需要出奇巨大，这些能量由食用浓缩的食物和高能量的蛋种子来补充。