ВсеПрибалтикаУкраинаБелоруссияМолдавияЗакавказьеСредняя Азия
Max: 1584.393 ms | 1208.767 ms
，详情可参考91视频
Even though the manual mentions a power brick, my model came without one. Even powered only by the PS/2 connectors, the sound is unbelievable.
代码重构：它没有直接甩代码，而是先思考了“设计模式”的选择（工厂模式 vs 策略模式），最终选择了适合扩展的策略模式。