Bar graph display. High efficiency green.
条形图显示。高效率的绿色。
In the green energy field, we saw gigantic wind turbines made of bamboo, and solar panels with efficiency rates as high as 42 percent.
在绿色能源领域,我们看到由竹子制成的大型风力发电机和使用率高达42%的太阳能板。
Green buildings: Costs initially vs. high energy efficiency thereafter?
绿色建筑的初期代价和后期的高能效?
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