例句
When a head dissociates, one charge remains stuck at the interface, and the other, attracted to the surface by electrostatic forces, wanders only a short distance away.
当一个头电离之后，一个电荷保留在表面上，而另一个电荷则由于静电力的吸引而在很短的一段距离外游动。
Another BI system, recently deployed with promising results, features an electrostatic pad that presses against the offender’s upper arm at all times, chemically “tasting” sweat for signs of alcohol.
最近另外一种BI公司发明的系统也获得了良好的成效。 这种静电发射的装置通过按压违法者的上臂来 “品尝”他体内的酒精含量。