space flights

For the first time in half a century, the space agency Nasa has no manned space flights on its agenda.

这是半个世纪来美国宇航局NASA日程上首次没有载人太空飞行任务。

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During Space Flights, astronauts follow vigorous exercise regimes to try and prevent bone and muscle loss.

太空飞行期间，宇航员接受一种强化养生法锻炼，以期防止骨损和肌损。

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He also published two important scientific theories that were later confirmed by space flights.

他也发表了两个被后来的太空飞行所验证的重要的科学推测.

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Virgin Galactic will start its space flights next year, using environment-friendly space launch technology.

维珍银河将开始太空飞行，明年使用环境友好型太空发射技术。

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But I think when you guys start buying tickets and flying sub-orbital flights to space, very soon--

但我认为当你们开始卖票，开始亚轨道飞行，通往太空，很快--

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The mission's commander was also part of docking missions on both his previous space flights, giving him the experience needed to help dock Shenzhou 11 with Tiangong 2.

景海鹏在前两次太空飞行对接任务中也担任了任务指令长，这能为他提供帮助“神舟十一号”与“天宫二号”对接所需的经验。

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Paying customers on commercially run flights to space would have to meet security requirements, but would not have to pass specific medical tests, according to draft U.S.regulations.

美国联邦航空管理局公布了规范太空旅行的法规草案，该法规草案要求商业太空游者必须遵守相关安全要求，但不必通过专门的药物检测。

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The first deep space flights reveal numerous planets capable of supporting life.

首次深度空间飞行,众人方知天外有天,人外有人.

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Earlier this month, the Russians announced a halt to space tourism to free capacity for such flights and plans to double the number of launches to4.

本月初，为执行航空任务之便，俄罗斯宣布暂停太空旅游，并且计划加倍任务执行次数（由2次增加到4次。）

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A program of space flights undertaken by US in 1965 and 1966.

美国在年与年的一项太空计划。

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Tap water filters trickled down from NASA's need to cleanse water on long space flights.

非蒸馏水净化器是NASA考虑到长途太空飞行中对水的净化的需要而开发的.

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