The drift in average position is very obvious in the Y-coordinate.

极移的线性漂移速率在Y分量上比较明显。

youdao

The improvements are attributed by the large increase in average electron mobility as well as in drift velocity at 77 K.

作者认为这主要归因于低温下平均电子迁移率和电场漂移速度有很大的提高。

youdao

Labour seats have, on average, 6, 000 fewer electors than Tory ones because of the long-term drift of population from the cities to the shire counties and the leafy suburbs.

ECONOMIST: Bagehot