常見例句The transmitter was pulsed by an electron tube. 電子管使發(fā)射器產生脈沖波。An electron tube having a cathode and an anode. 電子二極管有一個陽極和一個陰極的電子管The number of electron pairs an atom can share with other atoms. 共用電子對數,共價一個原子與其他原子共用的電子的對數An electron with a negative charge, as contrasted with a positron. 電子帶有負電荷,與正電荷相反的電子Attempts to split an electron always fail. 企圖分裂電子的嘗試總是失敗的。An electron from one of the atom shells is ejected. 電子從原子的某一殼層中被彈射出來。 返回 electronate