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

The primary mission for the treetop hugging WZ-10 is battlefield interdiction, eliminating the enemy ground fixed and mobile forces, and concurrently certain air combat ability.

贴树梢飞行的WZ-10的主要任务是战场屏障、消灭敌人的固定及移动目标，还包括一定的空战能力。

youdao