俄罗斯将庆祝人类首航太空50周年，苏维埃宇航员尤里加加林完成第一次太空飞行任务。
Russia has been celebrating the 50th anniversary of the first human space flight when the Soviet cosmonaut Yuri Gagarin completed a single orbit of Earth.
研究人员说单翼旋转飞行器并不是个新生概念，它的第一次是在1952年由在普拉西德湖边的查尔斯麦克琴完成飞行。
The researchers noted that the concept of a single-wing rotating aircraft is not new, with the first such vehicle being flown in 1952 by Charles McCutchen near Lake Placid, New York.
如果发现号在周日发射升空，此次飞行将持续13天，其主要任务是完成三次太空行走，其中的第一次行走将是安装新的太阳能电池板。
If Discovery blasts off Sunday, the mission will last 13 days and feature three spacewalks, the first of which will be to install the new solar wings.
B - 1项目的另一个里程碑是，波音公司完成今年7月30日升级全集成数据链(FIDL)的B - 1轰炸机的第一次飞行。
Another B-1 milestone that Boeing accomplished this year was the July 30 first flight of a B-1 upgraded with the Fully Integrated Data Link (FIDL).
“阿特兰蒂斯”号航天飞机载着7名宇航员安全降落在加利福尼亚州爱德华兹空军基地，圆满完成了对哈勃太空望远镜最后一次维护的飞行任务。
The space shuttle Atlantis has landed in California. It touched down at Edwards air Force Base after a 12-day mission to repair the Hubble space telescope.
基于模拟的飞行方案，项目人员已经完成了一次所有推进器的按序点火测试。
Project handlers have already carried out a firing test on all the thrusters, firing them in series based on a simulated flight scenario.
奥尔德林曾完成过“双子座”的最后一次太空飞行。
在完成了到非洲合恩角的飞行任务之后，我们于圣诞节的前三天第一次进入了巴格达。
After flying missions to the Horn of Africa, we made our first run into Baghdad three days before Christmas.
在2005年，空客A380第一次轰鸣着从跑道冲向天空。在这最后一刻，他们完成了这次历史性的飞行。
In 2005, the Airbus A380 thundered down the runway and into the air for the very first time. Follow the final moments leading up to that historic flight.
目前这还只是一架原型机，不过瑞士的一名飞行员架着它完成了一次试飞。测试人员称，飞机起飞十分平稳。
It's only a prototype right now but a man in Switzerland took it for a test flight and the take-off, they say was, pretty smooth.
周一，国航成功完成CA841航班的从北京经维也纳至巴塞罗纳的第一次飞行。
Air China on Monday successfully finished the first trip of Flight CA841, a new route from Beijing to Barcelona via Vienna.
形体小的鸟儿一年脱羽一到两次。它们有9到10只主要用于飞行的羽毛，鸟儿们一次更换几只，在几周的时间内它们就可以完成更换。
Small birds molt once or twice a year, and they replace their 9 or 10 primary flight feathers a few at a time over the course of a few weeks.
俄罗斯“联盟”号的主要竞争对手“亚特兰蒂斯”号已经完成了它最后一次飞行。
"Atlantis", the main competitor of Russian space ship "Soyuz" will finish its last flight.
这次航天飞机的任务，是从开始建造的多国前哨基地以来，到国际空间站的时间最长的一次飞行，而且美国航天局官员说，它完成了它的所有目标。
The shuttle's mission was the longest flight to the station since construction of the multinational outpost began, and officials said it accomplished all of its objectives.
1990年，日本发射了一个小型探测器，完成一次靠近月球的短暂飞行。
In 1990, Japan launched a small probe completing a brief fly-by the moon.
向客户服务中心及其他相关运行部门提供必要的乘客信息及客户服务需求，配合相关部门顺利完成每一次飞行服务。
Provide necessary information and specific requirements of customers to Customer Service Center and cooperate with related depts. to offer smooth flights.
Schirra还是“阿波罗7号”任务的指挥官，“阿波罗7号”任务是第一次载人航天飞行，该次发射任务由土星1B型火箭完成。
Schirra was commander of Apollo 7, the first manned flight of the Apollo spacecraft and the Saturn 1B rocket.
在飞行时代，完成啦7项科学实验，此次飞行是为下一次载人飞船地发射做筹办。
During its flight, seven scientific experiments were carried out. The purpose of the flight was to make preparations for the launch of a manned spacecraft next time.
在飞行时代，完成啦7项科学实验，此次飞行是为下一次载人飞船地发射做筹办。
During its flight, seven scientific experiments were carried out. The purpose of the flight was to make preparations for the launch of a manned spacecraft next time.
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