Most accelerators, however, speed up the particles over a long distance, using a moderate field. The DWA employs a succession of enormous fields over just a couple of metres.

但是，大多数加速器使用的都是中等强度的电场，粒子所需的加速距离很长，而DWA采用的则是一连串的高强度电场，加速距离仅需几米。

youdao

You cannot use a long distance prefix in the country code field.

您不能在国家代码域中使用长途区号。

youdao

Sports a metal ball weighing 'pounds (7.2 kilograms) and having a long wire or wooden handle by which it is thrown for distance in track-and-field competition.

由重'磅(7.2千克)的金属球和一条长链或木把手组成，人手持链端或把手在田径比赛中将其投远以争高低。

youdao

World Horse Welfare undertakes regular field investigations as part of its campaign to stop these long-distance journeys, and for years we have documented the appalling suffering of these horses.

CNN: Opinion: Scandal shines spotlight on murky horse trade