Everywhere else in the world , commercial jetliners spend their cruise time at 30000 feet or above .

在世界上其他地方，商用喷气飞机都是在30000英尺或者更高的高度飞行。

Today , jet-setters are back around 600 mph , the same speed their grandparents reached on early jetliners 60 years ago .

如今，喷气式飞机的时速又回到了约600英里，这也是60年前早期喷气式飞机的速度。

Federal regulators are ordered inspections of the wing slats on all newer boeing 737 jetliners .

联邦调节员们被要求对所有新的波音737客机的辅助机翼进行检查。

Eads earlier thursday said it is on track for significant growth in sales and profit in 2012 and beyond as it ramps up production of new and remodeled airbus jetliners .

eads周四早些时候说，公司2012年及此后几年能够实现销售额和利润显著增长的目标，因为公司增加了新客机和改款客机的产量。

In the 1960s and 1970s , most personal and corporate planes were propeller or turbo-prop aircraft , which fly at a lower altitude than jetliners .

在1960和1970年代，大部分个人和企业的飞机是飞行高度低于喷气式飞机的螺旋桨式或涡轮螺旋桨式飞机。