gaseous cascade laser

例句：

1. 1. The gaseous atmosphere of the planet is different from that on Earth.
   这个星球的大气与地球不同。
2. 2.Gases are made up of molecules that can be dispersed in a gaseous medium.
   气体是由可以在气体介质中分散的分子组成的。
3. 3. The gaseous composition of the atmosphere depends on the temperature and pressure.
   大气中的气体成分取决于温度和压力。