周一航空公司说，飞机在里约热内卢的加利昂国际机场和巴黎的夏尔戴高乐国际机场之间，与空中交通控制失去了联系。
It lost contact with air traffic control between Galeao International Airport in Rio de Janeiro and Charles de Gaulle International Airport in Paris, the airline said Monday.
在这种环境下，基于美海军MIL-HDBK-87213A版机载光电显示器军标，实现阳光直射下清晰可见是最恰当的，因为它为开发飞行显示器、任务航空电子控制器和飞机的显示子系统提供了规范和指南。
In this environment “daylight readability” based on U.S. Navy MIL-HDBK-87213 Revision A Electronically/Optically Generated Airborne Displays is more appropriate.
在过去二十年间，许多团队都在研发测试远程控制的科研用飞机。 曾在美国西部上空执行任务，原为军用飞机的“捕食者B”经过国家航空航天局修整改进，更加精巧完善。
During the pasttwo decades, several teams have developed and tested remote-controlled scienceplanes, and NASA already flies the smaller Predator B — also of military origin— over western US wildfires.
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