The blades have an aerofoil shape and provide lift when passing through air, like the wings of an aeroplane.
这些叶片拥有机翼的剖面形状，它们就像普通飞机的机翼那样，通过划过空气来产生升力。
Indeed, it is possible that the effect works both ways, and that rearward segments provide lift to those in front.
事实上，反过来也可能产生这种效果，即后半部分可为前半部分起到提升作用。
Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins.
同样，飞鱼借助胸鳍所产生的加速气流，就可以对较小的腹鳍产生一定的提升作用。
This hovercraft has ducted fans which provide lift and propulsion instead of the sometimes-dangerous rotor blades of other flying machines.
这种气垫飞行器具有管式风扇，提供升空和推进的动力，而非像其它飞行器的旋转翼有时会造成危险。
Instead, researchers are using natural biological designs, such as flapping wings, to provide lift, thrust, and stability in one structural package.
相反，研究人员正在使用自然生物学的设计，例如，在一个结构组件包中，利用拍动的翅膀提供上升力，推力，以及稳定性。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift.
这意味着它能像直升机一样悬停，但向前飞时可能减少主旋翼的速度并让这两个短翼提供部分提升力。
This means it can hover like a helicopter, but when flying forward can reduce the speed of the main rotor because the wings provide part of the lift.
这意味着它能像一架直升机那样作空中悬停，而在向前飞行时，又能降低主旋翼的速度，因为它的一对短翼提供了部分升力。
Botox may not only provide a nonsurgical facelift, it may also lift your spirits, new research suggests.
新的研究表明，肉毒杆菌不仅可以提供非手术整容，也可能提升注射者的精神面貌。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
立方直升机的这种配置让他可以像直升机一样盘旋，但在向前飞行时，主旋翼的转速可以将下来，让两侧的机翼提供升力，在此情况下，两台螺旋桨推进器就能发挥大作用了。
The "double bubble" D8 Series concept is based on a modified tube and wing with a very wide fuselage to provide extra lift.
这款“双气泡”D8系列设计通过将机舱与机翼融合从而形成了一个相对较宽的机身从而提供额外的载客量。
MIT’s D “double bubble” series design concept is based on a modified “tube-and-wing” structure that has a very wide fuselage to provide extra lift.
麻省学院的D型“两个泡泡”系列设计概念基于改进过的“管状机身和一对后倾机翼”结构，机身更加宽大，可以提供额外的升力。
A paradise tree snake flattens its body into an aerofoil-like shape that can provide a degree of lift before it takes off from a branch by jumping upwards.
天堂树蛇展平它的躯体，使其形成机翼般的形状，这可以使它在借助树干弹跳前产生一定的提升力。
Even so, Dr Robertson says it is feasible to build electric aircraft-provided they have efficient wings to provide lots of lift.
即使这样，Robertson博士依然说在拥有了更有效率，能提供更大升力的机翼后，制造电力飞行器依然是可行的。
A firm base will provide you the resistance required to get a good lift in the pose.
一个稳固的底盘可以提供给你向上提升身体所必需的支撑。
For now, though, there is more concern than harm as the overall impact of the oil leak remains unclear and cleanup efforts provide a lift for some.
不过，由于漏油事故的总体影响还不明了，清理工作提振了一些公司的业务，目前来说，担忧多于实际的伤害。
The design is intended to provide more lift with less drag compared with the cylindrical fuselage of a traditional aircraft, reducing fuel consumption while cruising.
设计是为了提供更多的电梯较少阻力相比圆柱形机身传统的飞机，降低燃料消耗，而游弋。
The Pinnacle is a permanently mounted electric ceiling lift designed to provide the healthcare worker with the best possible tool for moving patients.
石峰上一个永久式电上限升降机设计提供最佳的移动患者可能的工具医护人员。
But the modest package unveiled on November 5th is too small to provide much of a lift.
但11月5日公布的一揽子经济刺激计划数额还太小而不能带来很大提升。
He knows Mascherano and Torres and he can provide a lift for some players, "said the Liverpool boss."
他和马斯切拉诺还有托雷斯相处过，他能为其他球员制造机会，我相信他会适应英超赛场，因为他有足球智商知道自己在场上的位置。
That is partly because of increasing vibration, but mainly because the spinning rotor blades provide both lift and propulsion.
直升机旋翼既要提供升力又要提供向前的推力是造成这一情况的主要原因，同时旋翼产生的震动也是一个让直升机飞不能高速飞行的部分原因。
Boosting your exercise in the winter can provide a powerful lift to your mood and your energy.
冬天，增加你的运动量有助于提升你的情绪和增强体能。
As a result of it, the wake of air forced backwards by one segment of the snake's undulating body may provide extra lift to the segment behind in the sidewinding glide.
这样，摆动树蛇的身体的前半部分擦过的空气尾流可对侧风滑行的后半部分起到提升的作用。
About the export location of the restaurant and other facilities, in order to correctly guide the guests when needed. Passenger lift regional employees needed to provide all necessary help.
了解各餐厅出口的位置和其它设施，以便在需要时正确地引导客人。客梯口区域工作的员工需在向宾客提供一切必要的帮助。
Presses the system to provide the motive with the liquid, then reduce the workload, lift high-efficiency, also can reduce the personnel to hurt.
用液压系统来提供动力，进而减少工作量，提高效率，也能减少人员损伤。
METHODS Regard the theories foundation of the nursing of the whole as to guide, for into live the old man lift to provide the high quality medical treatment and nursing service.
方法以整体护理的理论基础为指导，为入住老人提供优质的医疗护理服务。
We strive to provide our lift truck users with the safest, most efficient, and ergonomic machines possible.
我们做出最大努力为我们的叉车用户提供最安全、最高效、与最环保的机械。
We strive to provide our lift truck users with the safest, most efficient, and ergonomic machines possible.
我们做出最大努力为我们的叉车用户提供最安全、最高效、与最环保的机械。
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