当粒子撞击地球大气层时，它们就会产生次生粒子(称为介子)簇射。

When the particles crash into the Earth's atmosphere, they create showers of secondary particles called muons.

youdao

当粒子撞击地球大气层时，它们就会产生次生粒子(称为介子)簇射。

When the particles crash into the Earth's atmosphere, they create showers of secondary particles called muons.

youdao