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- The basic microscope consists of an electron source and an assembly of magnetic lenses arranged in a vertical column that is evacuated to about 10 torr or better. 基本的显微镜包括一个电子源和一块以垂直的柱形排列的磁性透镜集成板，板上排列的间隔为10托或更好。
- Electron source for carbon nanotube field emission 碳纳米管场发射电子源
- A Simplified GaAs Polarized Electron Source 自旋极化电子源装置研究
- In the POMA all fountain electrons emitted from the specimen (electron source) on the cylinder's ooaxis will be focused behind the specimen on the axis after travelling through 180 degrees. 其主要特点是:当一次入射束垂直入射于试样表面;激发出的次生电子以喷泉状通过弯曲的轨道绕过试样;重新会聚到试样背后的对称轴上.
- To avoid this problem, an external electron source (a negative cathode or an electron gun) injects electrons into the positive flow to electrically neutralize it, which leaves the spacecraft neutral. 为避免这个问题，必须使用外部电子源（负电极或电子枪）将电子加入正离子流，使太空船维持其电中性。
- field emission array electron source 阵列场电子发射电子源
- The news comes from a reliable source. 这消息来自可靠的来源。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Finally, it proposes a method by which bibliographic metadata embedded in electronic sources could be automatically extracted when needed. 最后提出自动抽取内嵌在电子资源的书目元数据获取电子参考引文的一些设想。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处？
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- 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
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- Hard work is the ultimate source of success. 努力工作是成功之本。
