campaign n. 1.战役。 2.竞选运动;运动,游说。 3.【冶金】开炉时间。 an advertising campaign大做广告。 a campaign against [for] ... 反对[赞成]…的运动。 enter upon a campaign 走上征途;发动运动。 on campaign 从军,出征。 vi. 1.从军,出征。 2.参加[从事](某一)运动。 go campaigning 1. 从军。 2. 参加(某一)运动。
The first air launched demonstration firing took place in 2006 and was followed by several important flight test campaigns during the year 第一次试验在2006年进行,随后一年时间里还进行了若干次重要的飞行试验项目。