reduction engine的用法和样例：
例句
- Provide two independent means to start the emergency generator engine.
应急发电机柴油机应有两套独立的起动方法。 - Based on a technique called bidirectional module reduction, an approach for enhancing efficiency of power system trajectory simulation is proposed.
摘要基于发电机双向模块简化技术，提出了一种改进的电力系统轨迹仿真新算法。
