Wrong polarity protection, over charging protection, over discharging protection, over load, short circuit protection.

错极性保护、过充保护、过放保护、过载保护、短路保护。

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Electrical cables plugged in the wrong way would switch the "polarity" of a sensor, causing it to confuse left and right.

如果电缆放置错误将改变传感器的“极性(polarity)”，其后果是混淆了左和右。

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