People anticipate that vertical flight transports would carry millions of passengers as do the airliners of today.
人们期望垂直飞行运输机能像今天的客机那样运载数百万乘客。
People anticipated that vertical flight transports would carry millions of passengers as do the airliners of today. Such fantastic expectations were not fulfilled.
有人预言直升飞行运输会像今天的班机一样运送上千万的乘客，然而，这样的奇思妙想并没有得以实现。
The results show that the controlled helicopter can track the given trajectories stably and the proposed control scheme can solve the control problem of the helicopter vertical flight satisfactorily.
这说明基于反馈线性化的滑模控制方案较好地解决了该型直升机垂直飞行的控制问题。
The world's smallest one-man helicopter will soon take flight in the birthplace of Leonardo da Vinci, who is credited with having first thought of a vertical-flight machine, its developer said.
据研发者介绍，世界上最小的单人直升飞机不久将在达·芬奇的出生地试飞。 达·芬奇被认为是提出直升飞行器想法的第一人。
The world's smallest one-man helicopter will soon take flight in the birthplace of Leonardo da Vinci, who is credited with having first thought of a vertical-flight machine, its developer said.
据研发者介绍，世界上最小的单人直升飞机不久将在达·芬奇的出生地试飞。 达·芬奇被认为是提出直升飞行器想法的第一人。
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