He has also conducted experiments to see which tactics work best in the ground war.

针对那种策略对“地面战”最为有效，他也进行了实验。

youdao

He said this has affected Afghanistan - the first "hot" ground war in NATO history.

他说，这个事实直接影响到阿富汗战场。阿富汗是北约历史上参加的第一个地面热战。

youdao

But even more important is the ground war-the hard slog of knocking on doors, Posting fliers, making phone calls and trying to get voters to the polls.

不过更为重要的还是“地面战”，这需要长途跋涉的苦干，挨家挨户地敲门、张贴传单、打电话，以及努力争取选民参加投票。

youdao

The cemetery started as a burial ground for American Civil War dead.

VOA: standard.2010.05.26

We must have the ability to help our troops if we go into a ground war.

CNN: Bernadine Healy

The Democratic ground war, meanwhile, is being waged by the Kerry- Edwards campaign and the independent 527 groups.

CNN: Ground war: Getting out the vote

But Clinton is hanging back, and Pentagon officers, who oppose any ground war, will keep advising him against one.

CNN: IT'S FLIGHT OR FIGHT