This, in turn, reduced the demand for materials such as steel.
这些,也导致了像钢铁等原料的需求的减少。
Reserves of oil and minerals have grown; their prices have not increased; and demand for materials like copper are not exponential.
石油和矿物的储量增加了,而它们的价格却没有增加;同时,对某些原材料的需求,比如铜,并未呈指数增长。
The production and application of solar cells in the last decade are reviewed and their future development in the new decade and their demand for materials are predicted.
本文对近十年来,世界太阳电池的生产、应用以及今后十年世界太阳电池的发展前景作了叙述,并对材料的需求作了预测。
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