求翻译：“云霄塔”是根据上世纪80年代英国科学家提出的水平起降概念航天器理念设计而成的无人驾驶概念太空飞机。“云霄塔”可以像普通飞机那样重复使用，可以往返于地球与轨道之间，可以通过一条跑道进行起降。是什么意思？

The Stratosphere Tower is unmanned concept space plane designed by British scientists in the 1980s the concept of level off and landing spacecraft concept. "Stratosphere Tower" can be reused like conventional aircraft do, you can round-trip between Earth and orbit, taking off and landing runway.

The "gentleman" is based on the 1980s by British scientists from the Level concept design spacecraft concept and concept of unmanned spacecraft. The "gentleman" as it can be like an ordinary aircraft re-use, you can travel to and from the earth to orbit, and can be passed between a runway for landin

The pilotless concept outer space airplane according to on century 80's England scientist which “the Yunsiao tower” is which proposes the horizontal take off and landing concept spacecraft idea design becomes.“The Yunsiao tower” may look like the conventional airplane such repetition to use, may go

"Sky Tower" is based on the 80 's of last century United Kingdom scientists proposed concept of horizontal take-off and landing of spacecraft concept concepts design of unmanned spacecraft. "Sky Tower" can be reused like ordinary aircraft, can travel in between it and the orbits of the Earth, could

正在翻译，请等待...