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- Just as the planets revolve about the sun, planetary electrons are thought of as revolving about the nucleus. 正像行星围绕太阳转一样，行星般的电子被认为是围着原子核转的。
- Just as the planets revolve about the sun,planetary electrons are thought of as revolving about the nucleus. 正像行星围绕太阳转一样，行星般的电子被认为是围着原子核转的。
- This type of combination of protons and neutrons with planetary electrons is found to be existing in all substances. 人们发现，质子、中子与绕一定轨道旋转的电子所构成的这种组合存在于所有物质之中。
- "Just as the planets revolve about the sun, planetary electrons are thought of as revolving about the nucleus." 正像行星围绕太阳转一样，行星般的电子被认为是围着原子核转的。
- planetary electrons 行星式电子
- The body or plate to which the electrons are attracted is called the anode. 电子被吸引到其上面去的物体或薄板称为阳极。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Measured the planetary tilt in degrees. 测量地球倾斜的角度
- He formulated the theory of planetary movement. 他系统阐述了行星运动理论。
- planetary electron 轨道电子
- Most planetary orbits are not circles but ellipses. 大多数行星的运转轨道是椭圆形而非圆形。
- 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
- Kepler's Laws of planetary motion. 开普勒行星定律。
- Planetary Association for Clean Energy, Inc. 清洁能源行星协会公司;
- These monuments are on major planetary grid points. 这些纪念碑是行星的主网格点。
- The assignment of electrons is somewhat arbitrary. 电子的分配多少带有武断性。
- RUGGEDNESS. Dual planetary wheel drives. 强度：双行星齿轮驱动。
- Oxidation involves the transfer of electrons. 氧化过程涉及电子的转移。
- Can the Planetary Fortress lift off? 行星要塞能飞行吗?
- An electric current in metal is caused by the movement of electrons. 金属内电流是由电子运动引起的。
