Both the upper and the lower cable laying channels can be closed.
上部和下部走线通道均可关闭。
Once you are in this geostationary orbit right over the tower, just lower your carbon nanotube cable down from the satellite, tether it to the tower here on Earth.
一旦你来到这个塔旁的地球静止轨道，只需把碳纳米管电缆从卫星上放低然后将其系在位于地球的塔端。
Since the lower regions of the cable are moving slower than the higher ones, a rising car will lag behind the orbiting anchor, causing a drag on the cable that could destabilize the entire assembly.
由于较低部位的电缆比较高部位的电缆移动慢，上升的电梯箱将落后于转动锚点，这样就会引起一个拖拽并可能进一步破坏整个装置的稳定。
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