这是一只真的飞机。
It operates just like a real plane, but only simpler and meant for a kid.
操纵起来与真飞机一样，只不过更简单些，是给小孩子预备的。
它真是一架好战斗机。
For a receiver antenna, the real target signal is basically of plane waves.
对接收天线而言，实际目标基本上是平面波。
For a receiver antenna, the real target signal is basically of plane waves.
对接收天线而言，实际目标基本上是平面波。
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