Going this deep would help reduce the backgroundsignals from cosmic ray muon particles.
在这样的深度（实验）将有助于减少宇宙射线中的渺子介子造成的背景信号。
2
First, this paper discusses some tentative schemes for the generation of dynamic backgroundsignals, and their advantages and disadvantages are discussed too.
本文首先提出了动态背景信号产生的一些设想，并比较了其优点和不足。
3
However the researchers can? T be absolutely sure that the two signals they measured were dark matter and not some other particle, which they call background.