一是当一个国家处于经济起飞阶段，也就是社会转型阶段。
One is when a country is in an economic take-off phase, that is social transformation phase.
如果不是，请这样做，因为我们将要建设的起飞阶段，在我们的下一个1教程。
If not, please do that, as we are going to be building off stage 1 in our next tutorial.
不能想当然地认为，一旦经济走过一个阶段，如起飞阶段，就不会产生倒退了。
It cannot be taken for granted once the economy has passed through some point of no return like a takeoff stage.
根据发展经济学的理论，在现代经济增长中，资本的投入十分重要，特别是在经济起飞阶段。
According to development economics, capital input is crucial in modern economic growth, especially in the take-off stage.
中国已经度过了工业化的起飞阶段，已具备经济转型的成熟条件，并且已经到了转型的关口。
China has crossed the industrial launch stage, and is equipped with the ripe conditions for economic re-modelling, and is already at the remodelling stage.
燃气轮机在航空作业中处于高温高压和高能的状态下，其性能远远优异于滑行，着陆和起飞阶段。
That's one reason why gas turbines work so well in aircraft; other than taxing, landing, or taking off, the engine runs at high pressure, high power and high temperature.
负责调查上个月哥伦比亚号航天飞机解体事故的美国官员说，新的录像为航天飞机在起飞阶段就可能已受到某种损坏的说法提供了最新证据。
US officials investigating last month's breakup of the shuttle Columbia say new video provides fresh evidence of how the spacecraft may have been damaged during liftoff1.
这与飞机上应用的技术也很相似，在飞机最易发生事故的危险阶段，如起飞和着陆，飞机襟翼可以有效的调节升降和稳定负荷。
The technique is also similar to that used on aircraft, where flaps regulate the lift and stabilize the load during the most critical times such as at take-off and landing.
在失事危险最大的起飞与降落阶段一定要紧紧地系着它。
And fasten it quite snugly at landing and takeoff, when crash danger is at a maximum.
选择直飞航线大多数空难发生在起飞、上升、降落或是着陆阶段，所以尽可能选择直飞来减少可能导致多发事故的环节。
Fly on nonstop RoutingsMost accidents occur during the takeoff, climb, descent, and landing phase of flight so flying nonstop would reduce exposure to these most accident prone phases of flight.
“起飞”需要很大的努力，不过，一旦我们打破了重力的作用，我们的自由将会进入全新的阶段。
"Lift off" takes a tremendous effort, but once we break out of the gravity pull, our freedom takes on a whole new dimension.
作为您的孩子想像力全速起飞的阶段，她可能会尝试从玩具水果作出一个虚拟宴会，并为您提供服务，对像也可以是她的娃娃和所有她的朋友。
As your child's imagination takes off at full speed, she may try to make a virtual banquet from the toy fruits, and may serve you, her dolls and all her friends.
RTCA是一个向航空工业提供建议的组织，它建议所有的飞机都应该禁止在飞行的关键阶段，尤其是起飞和降落的时候，使用这些电子设备。
RTCA, an organization which advises the aviation industry, has recommended that all airlines ban such devices from being used during "critical" stages of flight, particularly take-off and landing.
以飞机姿态、仪表和飞行轨迹等形式显示飞机从起飞到着陆各个阶段的动态运动过程。
The software also shows the dynamic flight process of the plane at each stage from taking-off to landing, in the form of the flight gesture, instruments status and flight path.
本论文把起飞和着陆过程均分为三个阶段：从安全高度到接触地面阶段。
The course of take-off and landing are both divided into three phases: the phase from flying at safe height to contacting the ground.
在机库里，维珍公司的创始人理查德·布兰森在飞机起飞前不久告诉记者：“这是通向使用可再生燃料道路上的第一阶段”。
"This is the first stage on a journey towards renewable fuel, " Virgin founder Richard Branson told reporters in the hangar shortly before takeoff.
大规模的劳动力迁移是各国在经济起飞时必经的阶段，如何转移剩余劳动力是众多国家普遍关注的问题。
The issue on Labor migration has long been the main focus of each developing country included China which encounters millions-scale migration across the country.
在高中阶段用了三年的时间努力学习后，成千上万的同学学业开始起飞，他们互相祝贺，摄影留念，结伴旅游。
Spent three years in high school time to study, thousands of students took off their studies, they congratulated each other, a souvenir photo, together tourism.
在高中阶段用了三年的时间努力学习后，成千上万的同学学业开始起飞，他们互相祝贺，摄影留念，结伴旅游。
Spent three years in high school time to study, thousands of students took off their studies, they congratulated each other, a souvenir photo, together tourism.
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