两个实验室的报告之间存在一些差异。

There were some ___variances between the reports from the two labs.

较大的方差表明数据点与平均值之间的差异较大。

A large ___variance indicates significant differences between data points and the mean.

学校获得了教育部门的特许，可以在特定情况下调整上课时间。

The school obtained a ___variance from the education department to adjust class hours under special circumstances.