某三相异步电动机，若<img src="https://static.zxtiku.com/wangke/imgs/topic/6421af7e2017926314876151d041b8c7.jpg"/><img src="https://static.zxtiku.com/wangke/imgs/topic/581a83fe8de7336c42278c76e394e6ba.jpg"/>，则获得<img src="https://static.zxtiku.com/wangke/imgs/topic/1a6d1ff70e988c486ac4305d49bf1db6.jpg"/><img src="https://static.zxtiku.com/wangke/imgs/topic/1786f46651e8bfe165d6ba149ceca1b7.jpg"/>的依据是：三相异步电动机的机械特性具有硬特性。该说法是否正确？<br/> A、正确<br/> B、错误