在能源危机的20世纪70年代，当各种各样的新能源的想法被扔出来，工程师和计划者们申请了数个利用数千英尺高空的风能的专利设计。
During the energy shocks of the 1970s, when new energy ideas of all kinds were bursting forth, engineers and schemers patented several designs for harnessing wind thousands of feet in the air.
在能源危机的20世纪70年代，当各种各样的新能源的想法被扔出来，工程师和计划者们申请了数个利用数千英尺高空的风能的专利设计。
During the energy shocks of the 1970s, when new energy ideas of all kinds were bursting forth, engineers and schemers patented several designs for harnessing wind thousands of feet in the air.
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