这是首飞预计将持续4至8小时。

That debut flight is expected to last between four and eight hours.

youdao

请描述一下首飞测试的基本过程。

Describe the basic progression of the first flight tests.

youdao

J-10首飞于1998年的3月22日。

The J-10 made its first successful flight on 22 March 1998.

youdao

“幻影眼”无人机正准备定于今年夏天晚些时候进行首飞。

Phantom Eye is being prepared for its first flight, scheduled for later this summer.

youdao

空客A330客机于1992年进行首飞，拥有出色的安全纪录。

The Airbus A330, which first flew in 1992, has a strong safety record.

youdao

第一次“官方”首飞是在1998年3月28日进行的，取得了巨大的成功。

The first "official" flight took place on March 28, 1998, and was largely successful.

youdao

第一次“官方”首飞是在1998年3月28日进行的，取得了巨大的成功。

The first "official" flight took place on March 28, 1998, and was largely successful.

youdao