| 单词 | space elevator |
| 释义 | space elevator A space elevator could carry people, huge solar-powered generators or even casks of radioactive waste. Times, Sunday Times One of the most adventurous notions, and one by which he set great store, was the 'space elevator', a tube reaching up from the earth to a geostationary satellite. Times, Sunday Times Several competing space elevator projects are gathering pace as various groups vie to build practical carriages, tethers and the hundreds of other parts required to carry out the plan. Times, Sunday Times Each year scientists organise a space elevator conference to discuss such breakthroughs. Times, Sunday Times Scientists estimate that using a space elevator would cost $100 per kilogram to put something into space compared with as much as $40,000 per kilogram using current space shuttle technology. Globe and Mail |
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