大部分的复苏均是围绕污染行业的，包括基本材料与能源，以及最具破坏性的零售业。
Most of the revival has centered on the dirtiest industries, which are basic materials and energy, and the most wasteful, which is retail.
通过选择恰当的墨汁与物体表面相结合，就有可能利用非常少的材料或能源制造出高效的太阳能电池。
By choosing the right combination of ink and surface it is possible to make efficient solar cells using very little material or energy.
本着节约材料和减少能源消耗的目的，对新型方波交流TIG焊电源电流的调节电路进行了详细的分析与设计。
For the purpose of economizing on raw materials and reducing consumption, the detailed analysis and design of the regulating circuit of TIG electric welder have been presented in this article.
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