延伸控制距离是远程控制的主要目标。

The main target of telecontrol is to extend control distance.

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在某些区域（主要是机场附近），受管制的空域一直延伸到距地面215米之上，而且在紧邻机场的区域，控制区域一直延伸到地表。

In certain areas, mainly near airports, controlled airspace extends down to 215m above the ground, and, in the immediate vicinity of an airport, all the way down to the surface.

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后面的阶段，将进一步延伸到飞机倾斜和偏航时翻滚轴的控制。

The new phase will extend this to pitch and yaw for all-axis control.

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