electric machine operating characteristic

例句：

1. 1. The operating characteristic of the machineis crucial for its efficiency.
   机器的操作特性对其效率至关重要。
2. 2. The engineers carefully analyzedthe operating characteristic of the new system.
   工程师们仔细分析了新系统的运行特性。
3. 3. Theoperating characteristic of the engine is influenced byvarious factors.
   发动机的运行特性受到各种因素的影响。