These are only 18 feet on a side and designed to increase atmospheric drag and thus help satellites out of orbit.
这是一个只有18英尺的小型太阳帆，旨在增加大气阻力以帮助卫星脱离轨道。
2
Where warm and cool air lie side by side, atmospheric pressure decreases with height more rapidly in the cool than in the warm air, because the cool air is more compressed.
冷暖空气并列排着，大气压力随高度的减少冷空气要比热空气来得快，因为冷空气压缩得更多。
3
Based on the principle of the pollution probability, the atmospheric sampling station was set up on the coastal area of upstream wind side where the pollution probability is the highest.