It means that the effects of Reynolds number must be taken into account in turbofan engine performance simulation at high altitude with low flight speed.
因此在高空低速区航空发动机性能数值模拟必须考虑部件特性雷诺数的影响。
Although in-flight infections thrive in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.
尽管在飞机等干燥环境中，飞行的过程中很容易滋生传染病，但由于飞机上使用了空气过滤器，因此你在飞机上得病的风险实际上很低。
More importantly, scientists are already queuing for seats on these low-gravity space-flight services so they can collect data during a few minutes of weightlessness.
更重要的是，科学家们已经在排队争取这些低重力太空飞行服务的座位了，这样他们就可以在几分钟的失重状态下收集数据。
Total flight time from launch to impact for these types of weapons is usually less than 15 minutes when attacking low orbits.
这种类型卫星在执行低轨道攻击任务时，从发射到攻击的共需要不到15分钟的飞行时间。
“You don’t need much space, and you can have a flexible flight plan,” he said. “Say your home is a few kilometers from the golf course — you just hop in your helicopter, fly low, and go there.
“你不需要很大的空间，你可以有弹性的飞行计划” ，他说，“如果你家离高尔夫球场有几公里——你只需登上直升机，低空飞行，然后就到了，很难被发现”。
"You don't need much space, and you can have a flexible flight plan," he said. "Say your home is a few kilometers from the golf course - you just hop in your helicopter, fly low, and go there."
“你不需要很大的空间，你可以有弹性的飞行计划”，他说，“如果你家离高尔夫球场有几公里——你只需登上直升机，低空飞行，然后就到了，很难被发现”。
When you click on details, you see the proviso: "Note: Vayama Negotiated Fares are so low that we can't show the airlines and exact flight times on this page."
点击“Details”(更多信息)以后，你会看到其限制条款：“注意：鉴于Vayama协议的机票价格极为优惠，我们不会在此页面上显示具体航空公司和准确航班时间信息。”
The rocket made its first flight in 2004 and is capable of launching payloads of up to 24 tons into low-Earth orbit and 11 tons toward the geosynchronous orbits used by communications satellites.
重型火箭在2004年进行首次发射，它可以将24吨重的负载发送到低地球轨道，也能将用于通讯卫星的11吨重的载荷送入地球同步轨道。
In-flight calling may in fact prove best suited to short-haul, low-cost flights.
事实上，飞行通话服务或许最适合那些短途低价航班。
The costs continued to rankle with those who thought manned space flight a waste of money, and three decades spent stuck in low-Earth orbit never stopped frustrating those who wanted to go farther.
对那些把载人航天看成虚掷钱财的人来说，航天飞机的成本始终令他们心痛；而对那些梦想着远航的人来说，在近地轨道上浪费的三十年时间令他们心寒。
This is a major step toward completing the second of the program’s two Low Power System Integration-Active Flight Test knowledge points, the first of which was accomplished earlier this month.
这向着项目第二个“低能量系统主动集成飞行测试知识点”迈出了重要一步，首个知识点已经于本月早些时候完成。
Other new features include flight metasearch for low fares, as well as using the device’s GPS capabilities to search for nearby attractions, restaurants and hotels.
其它的新功能包括廉价机票搜索、以及通过手机自带GPS来搜索用户附近的景点、餐厅和酒店。
United Airlines Flight 175 flies low toward theSouth Tower of the World Trade Center, shortly before slamming into thestructure.
即将撞上建筑物之前，联合航空175号航班降低高度飞向世贸中心南塔。先受到恐怖劫机飞机撞击的北塔正在燃烧。
The aircraft has an unpressurised cabin and four underpowered turboprop engines, making it only suitable for low- to medium-altitude flight.
飞机采用非气密舱和四台动力不足的涡轮螺旋桨发动机，使它仅仅适用于低-中空飞行。
They expected the flight to last five hours, but soon lost contact with it, fearing that the low temperatures had frozen the phone's battery.
他们预期此次飞行能长达5个小时，但很快就与装置失去了联系，并担心低温会冻结手机的电池。
The equipments are RAMS3000 intergrade control and display system for all weather & low altitude flight.
设备有用于全天候和贴地飞行的RAMS3000综合控制与显示系统。
When weather became bad, the insect depended ground flight more, the barn swallow wanted to eat an insect, so low fly.
天气转坏时，昆虫多靠地面飞行，燕子想吃昆虫，所以低飞。
Meanwhile, nearly all of the low-cost airlines in China, like Urumqi air, China United airlines and Spring airlines, have promised no compensation for any flight delays.
与此同时，几乎所有国内低成本航空公司，如乌鲁木齐航空、中国联航、春秋航空等，对任何航班延误都不予以赔偿。
China launched its first manned flight into low-Earth orbit in 2003; and two more followed, with the most recent one in 2008.
2003年，中国实施了它的第一低地球轨道载人飞行；随后发射了两次，其中最近的一次是在2008年。
The planes are initially flying at low speeds to gather information about the stability and flight-control characteristics of the design, particularly during takeoff and landing.
飞机最初飞行速度低，以搜集有关的稳定性和飞行控制特性的设计，特别是在起飞和着陆。
Flight trajectories control technology from low earth orbit to lunar sphere of influence (LSOI) is present as well.
完成了从近地低轨道到月球影响球附近的轨道飞行控制方法的研究。
A flight over a specific location, usually at low altitude, as by a formation of military aircraft.
低空编队飞行：在某特定地点上空飞行，通常在低空，如有军用飞机编队进行的。
Making this discovery more interesting is the fact that some of the flight hardware was built by high-school students in Greenbelt, Maryland, and by college undergraduates, helping to keep costs low.
事实上，某些飞行部件是由马里兰州附近的高中生和未毕业的大学生制造并提供的，这使得这次探测发现变得更加有趣了，同时也节约了研究成本。
The flight trajectories from low earth parking orbit (LEO) to low lunar parking orbit (LLO) based on a planar three-body model are studied.
进行了基于平面三体模型的登月飞行器轨道控制方法的研究；研究了从近地低轨道到近月低轨道的飞行轨道；
In extremely low gravity, they have extended our knowledge into the effects of space flight on the human body, the creation of new metals and alloys and solar phenomenon.
在极低重力，他们已经扩展我们的知识的影响及对人体的太空飞行，创造新的金属和合金和太阳的现象。
Landspeeders use a repulsion plate to skim a planet's gravitational field, simulating the effect of flight, and enabling it to perform low altitude manoeuvres.
兰德速攻艇使用反重力板去利用行星的重力场来悬空浮起，以模拟飞行的效果并使其能够在较低高度下机巧地行动。
A flight attitude planning algorithm is developed for low observable micro-satellite shields to enhance the on-orbit satellite's survivability and operational effectiveness.
为提高在轨微小卫星的使用效能及生存能力，提出一种微小卫星低可观测外形飞行姿态规划算法。
A flight attitude planning algorithm is developed for low observable micro-satellite shields to enhance the on-orbit satellite's survivability and operational effectiveness.
为提高在轨微小卫星的使用效能及生存能力，提出一种微小卫星低可观测外形飞行姿态规划算法。
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