有两极 meaning in English
polarity
Examples
- It is bipolar ; only when the negative and positive poles are connected will electric current be generated
像电有两极，一正一负合起来，才能够有电力。 - The negative power is just like an electric pole that is negatively charged . without a negative pole , the lamp cannot shine
否定的力量，像电有两极，一个是正极，一个是负极，如果没有负极，灯不会亮。 - Birds and compasses know north from south because , like a giant bar magnet , the earth ' s magnetic field has two poles that line up closely with the planet ' s axis of rotation
候鸟与指北针都知道何为北方、何为南方，因为地球就像一条巨型磁铁棒，它的磁场有两极，且这两个地磁的磁场线和地球的自转轴非常接近。