To work properly, HID lamps need special current restraining circuit, which iscalled "Ballast". The Ballast restrains the lamp current and makes it work undernormal electrical characteristic.
HID灯往往需要专门的限流线路才能正常工作，即我们熟知的镇流器，镇流器的基本功能是防止电流失控，使HID灯在正常的电特性下工作。
参考来源 - 高强度气体放电灯电子镇流器的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
Their electrical characteristic suits the protection requirements of capacitors.
其电气特性符合保护要求的电容器。
The flashover voltage of iced insulators of transmission lines is affected by the electrical characteristic of ice.
冰的电气特性影响输电线路覆冰绝缘子闪络电压。
The pressure sensor (15) has an electrical characteristic that varies in response to pressure within the sensor module (14).
压力传感器(15)具有电特征，所述电特征根据传感器组件(14)中的压力而变化。
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