The radar cross-section was further reduced because the wings' leading and trailing edges were composed of nonmetallic honeycomb structures that do not reflect radar rays.
由于机翼和尾部边缘的蜂窝状非金属结构不反射雷达波，所以飞机的雷达反射波就减少了很多。
Lange's Antares 20e is a single-seat glider with a retractable propeller powered by a 40kw electric motor and 72 lithium-ion cells mounted in the leading edges of its wings.
Lange的Antares 20e是单座可带伸缩螺旋桨式滑翔机，由40千瓦电动机驱动，并在机翼前缘装有72个锂电池。
Have you ever noticed that when an airplane is level, the front edges of its wings are higher than the rear ones?
你是否注意过当飞机在水平状态时，机翼的前缘要比后缘高？
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