气球的优点是它比航天飞机或火箭便宜。
The advantage of the balloon is that it will be cheaper than a space plane or rocket.
使用复合材料制造的飞机的一个优点是能够大大节省燃油消耗。
One advantage is that composite-based planes use significantly less fuel.
机器翅果旋转大概每秒15次，并可以导航通过小的地方并且避障，比大的机器如直升机或者飞机更加突出其优点。
The robotic samara spins about 15 times per second and can navigate through small areas and avoid obstacles, giving it advantages over larger vehicles such as helicopters and airplanes.
这是因为坐飞机旅游有一些优点。
另一个潜在的优点，是飞机在跑道滑行时，机翼已经有一个较大的迎角。
Another potential advantage results from the fact that the plane is already tilted to a large Angle of attack as it rolls down the runway.
乘飞机旅行的最大优点是速度快。
分析发现等离子体隐身技术较其他类型的隐身技术最大的优点是不影响飞机的机动性能，且费用低廉，具有很高的应用价值。
Compared with other stealth technique, the most advantage of the plasma stealth technique is that it doesn't affect the maneuverability of aircraft, has low cost and good application perspective.
时效应力松弛校形和成形方法已成功地用于制造飞机铝合金蒙皮壁板，具有很多优点。
The ageing-stress relaxation sizing and forming processes have been successfully used to form complex skin panels to typical aircraft tolerances with many advantages compared to other methods.
汽油机的这一优点使柴油机无法代替某些汽车以及飞机上使用的汽油发动机。
This advantage prevents the diesel engine from replacing the gasoline engine in some automobiles and airplanes.
与用真实飞机进行飞行试验相比，飞行模拟器具有可控性，无破坏性、经济性等优点。
Compared to the real aircraft, the flight simulator is controllable, non-destructive, economic and other advantages in flight test.
但是，速度快不总是飞机的一个优点。
相对目前的航天飞机、飞机和运载火箭，临近空间飞行器具有运输费用低、可快速到达和可重复使用等优点。
Compared with the current space shuttle, aircraft, and launch vehicle, the near space vehicles have some advantages such as low transport costs, quickly arrived and can be reused.
产品具有性能好，防护面积大，质量轻等优点，可用于制造车辆，飞机等武器装备的防护装甲等。
Products with good performance, protection area, light weight, etc. , can be used in the manufacture of vehicles, aircraft and other weapons, armor and other protective equipment.
RLV是许多国家热衷于研究的第二代天地往返运输工具，相对现在服役的航天飞机或飞船具有低的运输费用、准备时间短等优点。
Many state's the second launch vehicle research has largely focused on the RLV, taking on lots of advantages such as the cheap launch expensive, the short preparative time.
本玩具直升飞机还具有结构坚固、不易损坏的优点。
The toy helicopter also has the advantages that the utility model is firm in structure and hard to be damaged.
坐火车旅行还是乘飞机旅行乘飞机旅行比坐火车旅行有两大优点。
Train travel Air travel Air travel has two advantages over train travel.
坐火车旅行还是乘飞机旅行乘飞机旅行比坐火车旅行有两大优点。
Train travel Air travel Air travel has two advantages over train travel.
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