annual load factor

例句：

1. 1. The annual load factor is a measure of how much energy a machine uses over the course of ayear.
   年度负荷因子是衡量机器一年使用能量的指标。
2. 2. The annual load factor is calculated based on the amount of energy used and the efficiency of the equipment.
   年度负荷因子是根据使用的能源量和设备的效率来计算的。
3. 3. The annual load factor can vary depending on the type of equipment and the operating conditions.
   年度负荷因子可以根据设备类型和运行条件而变化。