名詞 electric field:

1. a field of force surrounding a charged particle

1. A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens.
   磁控管一種微波管，它里面的發(fā)熱陰極發(fā)出的電子受到磁場(chǎng)和電場(chǎng)的影響，從而產(chǎn)生能用于雷達(dá)和微波爐微波輻射
2. A method of separating substances, especially proteins, and analyzing molecular structure based on the rate of movement of each component in a colloidal suspension while under the influence of an electric field.
   電泳分離法分離物質(zhì)，尤指分離蛋白質(zhì)的方法，以及基于在電場(chǎng)作用下處于膠粒懸浮狀態(tài)的各個(gè)成分的運(yùn)動(dòng)速度基礎(chǔ)上進(jìn)行的分子結(jié)構(gòu)分析方法
3. A measure of the ability of a material to resist the formation of an electric field within it.
   介質(zhì)常數(shù)，電容率一種物質(zhì)抵制在其內(nèi)部建立的電場(chǎng)能力的量度