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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。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- planetary electron 轨道电子
- 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
- 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。
- 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。
- 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 number of electron pairs an atom can share with other atoms. 共用电子对数,共价一个原子与其他原子共用的电子的对数
- RUGGEDNESS. Dual planetary wheel drives. 强度:双行星齿轮驱动。
- 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
- Can the Planetary Fortress lift off? 行星要塞能飞行吗?
- The Builder focuses on building a planetary empire. 建造者集中于建立一个星球帝国。
- Adjustment to planetary environment. 行星环境的修正。
- STELLAR and planetary nurseries are private places. 恒星和行星产生的诞生地是很隐秘的位置。
- "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。