electrontic design automation: 電子設計自動化 electronstatic shield: 《英漢醫(yī)學詞典》electronstatic shield ; 靜電屏蔽 electrontitration: 電滴定 electronstatic field: 《英漢醫(yī)學詞典》electronstatic field ; 靜電場 electrontransfer polymer: n.電子遷移聚合物 electronspin resonance: n.電子自旋共振 electrontransport chain: n.電子遷移鏈 electronsensitive: adj.電子敏感的 electronvolt, ev: 電子伏[特] electrons,fast: 《英文msh詞典》Electrons,Fast ; [入口詞] Electrons,Fast ; [主題詞] Electrons ; [英文釋義] Stable elementary particles having the smallest known negative charge,present in all elements; also called negatrons. Positively charged electrons are called positrons. The numbers,energies and arrangement of electrons around atomic nuclei determine the chemical identities of elements. Beams of electrons are called CATHODE RAYS or BETA RAYS,the latter being a high-energy biproduct of nuclear decay.