Even by present-day standards these were large aircraft.

即使按现今的标准，这些也是大型飞机。

Pilots of large aircraft are masters of aviation.

大型飞行器的驾驶员是航空学方面的专家。

The conventional theory of propeller design is mainly for large aircraft.

常规的螺旋桨设计理论主要是针对大型飞机的。

China should by all means conduct overall design and final assembly of large aircraft by itself.

中国应当尽一切办法自行指挥大型飞机的总体设计和总装。

As the passengers leave the large aircraft, Alice Baker and Henry Fisher step forward to greet them.

当乘客离开大型客机，艾丽丝•贝克和亨利·费希尔走向前问候他们。