| 1. | Particle concentrations in the upper atmosphere drop regularly as the altitude rises .
在高层大气中粒子浓度随高度的增加而有规律地下降。 |
| 2. | The spherical particles are swept as droplets or volatilized and recondensed from a meteorite as it is heated to incandescence by friction in the upper atmosphere .
球形粒子是由小滴吹刮或者由在高层大气中被摩擦加热到白炽化的陨石挥发并重新凝结而成。 |
| 3. | It ' s in the upper atmosphere
这是高层大气产生的现象 |
| 4. | The first - stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere
第一级运载火箭是用来发射火箭的,进入高层大气后即抛掉 |
| 5. | The first - stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere
第一级运载火箭是用来发射火箭的,进入高层大气即抛掉 |
| 6. | The first - stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere
第一级运载火箭是用来发射火箭的,进入高层大气后即抛掉 |
| 7. | Such a bomb , if exploded near the ground or under water , sends radioactive particles into the upper air
这种炸弹如果在近地或水下爆炸，会把放射性微粒送入高层大气。 |
| 8. | " for his investigations of the physics of the upper atmosphere especially for the discovery of the so - called appleton layer
高层大气物理性质的研究，发现阿普顿层电离层 |
| 9. | The field that space environment contain is high - layer atmosphere , ionosphere , magnetic layer , interplanetary space and even sun
涵盖的区域包括地球高层大气、电离层、磁层、行星际空间直至太阳。 |
| 10. | There was a brilliant aurora - type display that night , which some scientists took to be associated with the sudden burst of ionization high in the atmosphere
那天夜里出现了一种壮观的极光式景象，有些科学家认为，这种现象与高层大气中电离的突然爆裂有关。 |
