例句與造句

1. One can see that the RICH's ability to separate the two particle types exceeds 4-sigma everywhere between threshold and 80 GeV / c, finally dropping below 3-sigma at about 100 GeV . It is important to note that this result is for an'ideal'detector, with homogeneous acceptance and efficiency, normal error distributions and zero background.
2. It's difficult to find normal error distribution in a sentence. 用normal error distribution造句挺難的