不像传统的无线遥控飞机，无人驾驶航空器可以自主飞行和导航。
Unlike traditional radio-controlled planes, unmanned aerial vehicles, or U.A.V. 's, have the capacity for autonomous flight and navigation.
无人驾驶航天器将与一号舱对接，两架有人驾驶航空器将随后对接。
An unpiloted spacecraft will attempt to dock with the module; two piloted spacecraft will then follow suit.
在加利福尼亚州的一支科学考察队利用无人驾驶的航空器来测量印度洋上空大气层中的热度。亚洲的这一部分常常被人为污染所形成的褐色云层所笼罩。
A scientific team in California used unmanned aircraft to measure heat in the atmosphere above the Indian Ocean, a part of Asia often blanketed by brown clouds of man-made pollution.
在加利福尼亚州的一支科学考察队利用无人驾驶的航空器来测量印度洋上空大气层中的热度。亚洲的这一部分常常被人为污染所形成的褐色云层所笼罩。
A scientific team in California used unmanned aircraft to measure heat in the atmosphere above the Indian Ocean, a part of Asia often blanketed by brown clouds of man-made pollution.
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