更麻烦的是，二氧化碳和水蒸气（两种主要的温室气体）对不同波长的辐射有不同的吸收率和散射率。
Worse, carbon dioxide and water vapor (the two main greenhouse gases) absorb and scatter differently at different wavelengths.
通常，波长较短传播较慢—但是破坏性要大的多—的S波会随之而来。 通过这两种波到达时间的差值可以估算震中的距离。
type of waves can be used to estimate distance to the epicenter.
用激光照射氢原子或反氢原子，观察何种波长的光线被吸收了，可以通过这种办法来详细地比较这两种原子的能级。
By shining laser light onto hydrogen or antihydrogen and observing which wavelengths are absorbed, the energy levels of the two can be compared in detail.
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