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- to sight in the sun with an electron telescope 用电子望远镜观测太阳
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- Helen became an electronic engineer. 海伦成了一名电子工程师。
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷,与正电荷相反的电子
- Attempts to split an electron always fail. 企图分裂电子的尝试总是失败的。
- An electron from one of the atom shells is ejected. 电子从原子的某一壳层中被弹射出来。
- An electron or an atom behaves in some ways as though it were a group of waves. 电子或原子的行为在某些方面好像是一组波。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- an electron telescope 电子望远镜
- An electronic device amplified the speaker's voice. 电子设备放大了演讲人的声音。
- An electron tubewith a photosensitive cathode. 光电管具有感光的阴极电子管。
- Its a black hole about the size of an electron. 是一个只有电子大小的黑洞。
- An electron tube or a vacuum tube. 电子管或真空管。
- To vary(electron velocity) in an electron beam. 调制在一个电子束中改变(电子速率)
- One says "I think I just lost an electron. 一个说:“我想我刚才失去了一个电子。”
- An electron tube with a photosensitive cathode. 光电管具有感光的阴极电子管
- A sound or a signal, as from a horn or an electronic device. 嘟嘟声一种象从号角或电子装置发出的声音或信号
- A discrete particle,such as a photon or an electron. 微粒有某种特性的微粒,如光子或电子
- An electron in the innermost orbit has the least energy. 最里面的轨道上的电子能量最低。