| 单词 | manned aircraft |
| 释义 | manned aircraft Most people who have flown close to manned aircraft and sensitive installations have not been caught. The Sun Balloon carriers were the first ships to deploy manned aircraft, used during the 19th and early 20th century, mainly for observation purposes. Retrieved from Wikipedia CC BY-SA 3.0 More modern drones may use countermeasures, radar, and similar systems to mimic manned aircraft. Retrieved from Wikipedia CC BY-SA 3.0 All programmes for manned aircraft that were not too far along were cancelled. Retrieved from Wikipedia CC BY-SA 3.0 Modules may consist of manned aircraft, unmanned vehicles, off-board sensors, or mission-manning detachments. Retrieved from Wikipedia CC BY-SA 3.0 |
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