That's why the new WZ-10 attack helicopter was delayed nearly a decade, and why there appear to be two different prototypes for the J-20 stealth fighter.

这正是新WZ - 10攻击直升机推迟了近十年面世的原因，也是J - 20隐形战机有两个不同原型机的原因。

youdao

But there was no bomb crater, indicating the strike may have been carried out by a helicopter gunship, or that it had been strafed by a fighter jet.

但那里没有弹坑，说明可能是直升机火力造成的，也有可能是被战斗机低空扫射造成的。

youdao

In just a few minutes, your correspondent witnessed a transport plane taking off, three fighter jets roaring overhead and a military helicopter rumbling to life.

就在几分钟内，笔者亲眼目睹了一架运输机腾空而起，三架喷气战斗机在头顶呼啸而过，一架军用直升机在隆隆上升。

youdao

The incursion was backed up by helicopter gunships and fighter jets.

VOA: standard.2010.06.17

In recent days, French fighter jets and helicopter gunships have conducted about a dozen sorties a day.

NPR: US Begins Transporting French Troops To Mali

He was concerned in particular about a new Army helicopter and Air Force fighter.

FORBES: Super-Weapon: Why Have F-35 Fighter Costs Increased?

The traditional show of the Myanmar military's power this year put more of its hardware on display than in the past, including helicopter demonstrations and flyovers by fighter jets in the capital, Naypyitaw.

WSJ: Myanmar Generals Say Military Has Political Role; Suu Kyi Attends Parade