The set of limitations within which a technological system, especially an aircraft, can perform safely and effectively.
技术系统，尤其是飞机，能够安全有效运转的一系列界限。
One forgotten update can be the cause for severe damage and costs, especially if it is an important requirement for, as an example, an aircraft or a medical device.
一次被遗忘的升级，可能导致严重的错误和成本代价，特别是如果升级是非常重要的需求时更是这样，例如飞机和医疗设备的更新情况。
Additive manufacturing could thus help build greener aircraft-especially if all the 1, 000 or so titanium parts in an airliner can be printed.
因此，加法制造技术有助于建立更加绿色环保的飞机，特别是当客机的1,000多个钛材料部件都可以被打印出来。
Additive manufacturing could thus help build greener aircraft-especially if all the 1,000 or so titanium parts in an airliner can be printed.
加法制造能制造出更加绿色环保的飞机——特别是，如果一架飞机上的1000多个钛部件都能被印刷出来。
An aircraft, especially a balloon or dirigible, deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.
浮空器从周围空气的浮力而不是从空气动力获得提升力的航空器，特指气球或飞船。
The feeling is too different as in an aircraft especially in the small aircraft compared to being on the ground or in a car because the airflow can make a great affection on this kind of aircraft.
天空的感觉，与地面或驾车截然不同。特别是在这种很容易受气流影响的小型飞机之中。可以轻松的体会到超重与失重。
An engine that obtains the oxygen needed from the atmosphere, used especially to propel aircraft and distinguished from rocket engines having self-contained fuel-oxidizer systems.
无内含供氧系统的发动机：一种从空气中获得所需氧气的发动机，尤用于推进飞机飞行，并以拥有自带燃料氧化系统区别于火箭发动机。
An instrument for determining elevation, especially an aneroid barometer used in aircraft that senses pressure changes accompanying changes in altitude.
测高仪，高度计一种测量高度的仪器，尤指飞机中的无。
An instrument for determining elevation, especially an aneroid barometer used in aircraft that senses pressure changes accompanying changes in altitude.
测高仪，高度计一种测量高度的仪器，尤指飞机中的无。
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