当她改变她的形态并转变她的极性，现今很多的特征会消失或改变。
As she changes her form and modifies her polarity, many present day features will disappear or change.
外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。
The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
相反的，良好的公开演讲技巧能帮你找到一份新工作或者结识新客户，激发团队积极性，甚至转变糟糕的局势。
Conversely, great public speaking skills can land you a new job or client, motivate your team, and even turn a bad situation around.
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