该公司正研发叫“追梦者”的航天飞船，该飞船能载6到8人在近地轨道往返飞行。
The firm is developing a space vehicle called Dream Chaser, which could carry six to eight people to and from low-Earth orbit.
机组任务配对是机组排班问题中主要的一个子问题，发现一组往返飞行航线并且覆盖所有的航班，最重要的是要求运营成本最低。
Crew pairing is one sub-problem of crew scheduling which finds one flight route and cover all flights, the most important is that the problem requires the lowest operation cost.
救援队从英国的罗瑟拉站出发，在状况百出的两天中飞行往返3000英里，接回了南极美国阿蒙森-斯考特站的工作人员。
In a chaotic two days of flying, the rescue team flew 3,000 miles round-trip from the British station Rothera to pick up the workers in the U.S. Amundsen-Scott Station at the South Pole.
冯·巴丁斯基每月向航空公司支付2，300美元，这样他就可以在任何时候自由飞行，往返于旧金山。
Von Badinski pays the airline 2, 300 dollars monthly so that he can fly freely at any time to and from San Francisco.
自从七月份“亚特兰蒂斯”号结束最后一次太空飞行返回地球后，“联盟号”就成为了运送宇航员往返太空站的唯一途径。
The Soyuz is the only way to get astronauts to and from the space station, ever since Atlantis returned from the final shuttle flight in July.
超音速的飞机只允许在水上飞行，这样就只限于往返于被海洋隔开的富裕的国家——因为声震可以毁坏东西和给在地面上的人产生噪声。
Supersonic flights are allowed only over water-and are thus limited to connecting wealthy cities separated by an ocean-because sonic booms can damage things and annoy people on the ground.
宇航员探险飞行器一次最多可以运送6名宇航员往返国际空间站。
It could carry as many as six astronauts back and forth to the international space station.
发现号曾经进行过38次往返太空飞行，NASA计划其在第39次飞行后退役。
The Discovery has launched into space 38 times, and NASA aims to retire the shuttle after its final and 39th voyage.
商业航线飞行员斯图尔特·罗斯说。 他驾驶波音767客机，每周往返于地中海两次，但他还嫌不够刺激。
"I've always loved flying, " says Stuart Ross, a commercial airline pilot for whom flying a 767 to the Mediterranean and back a couple of times a week just isn't enough of a thrill.
在往返美国东西的一轮商业飞机飞行旅程中多受到0.03毫希来自宇宙射线时剂量。
The added dose from cosmic rays during a coast-to-coast round trip flight in a commercial airplane is about 0.03 mSv.
春节或叫农历新年和中秋节等节日期间往返海峡两岸的直航包机有望变成常规飞行。
Charter flights that shuttle across the strait during traditional festivals, such as Spring festival or the Lunar New Year and Mid-Autumn festivals, are expected to become routine.
当讲到自己的成就时，我们很容易用这个词作为开头。例如“总的来说，我负责飞行舱往返月球。”
It's tempting to use this word as a prelude to your achievements. For example, "Basically, I was responsible for flying the capsule to the Moon and back. ""
世界最大的大型客机星期四从新加坡安全起飞，作为新加坡航空公司日常往返悉尼航班之一开始其拖延已久的首次商务飞行。
The world's biggest jumbo jet lifted off safely on Thursday from Singapore on its long-delayed first commercial flight, as part of Singapore Airlines' daily service to Sydney.
早些时候基于安全考虑，往返于阿姆斯特丹和格罗宁根的救护直升机夜间飞行的计划遭到拒绝。
Plans to allow helicopter ambulances to make night flights to and from Amsterdam and Groningen hospitals were earlier rejected on safety grounds.
启动基金可为批准的出访提供最直接飞行路线的经济舱级别的往返机票和住宿（备注），签证申请费，当地交通费用和其他合理的商务支出；
Costs eligible for support include a most-direct-route economy class return travel and accommodation , visa application fee, on-ground transport and other legitimate business expenses.
也就是说，“空军一号”飞行一小时的成本，至少可以买571张民航的往返机票。
This means more than 571 plane tickets could be purchased for the price of operating Air Force One for an hour.
员工的工作时间也设置了上限，导致有时往返的航班需要两班机组人员。在某些情况下公司宁可培训自己的飞行员也不请便宜的外劳。
Working hours are capped so that return flights sometimes require two separate crews, and in some cases the company must train its own pilots rather than hire cheaper outsiders.
她还补充说，“上下班往返的人甚至比那些作战的战斗机飞行员压力还大。”
Traffic congestion and long commutes are also serious anxiety producers she says, adding, "Commuters can experience greater stress than fighter pilots in battle."
她还补充说，“上下班往返的人甚至比那些作战的战斗机飞行员压力还大。”
Traffic congestion and long commutes are also serious anxiety producers she says, adding, "Commuters can experience greater stress than fighter pilots in battle."
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