He is designed to teach a special program about environmental friendly power created by the sun and wind.

他被安排来教授一个关于太阳能和风能创造环保能源内容的特别课程。

youdao

Succession is influenced by many factors: the nature of the soil, exposure to sun and wind, regularity of precipitation, chance colonizations, and many other random processes.

演替受到许多因素的影响：土壤的性质、暴露于阳光和风中的时间、降水的规律性、偶然的殖民和许多其他随机因素。

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That's the limiting factor for both sun and wind energy.

这就是利用太阳能和风能的限制性因素。

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With a solar powered sail and using the sun and wind to power the batteries, the purpose of the mission is to show that renewable energy works.

VOA: standard.2009.12.10

I was born on the plains where the wind blows free, and there is nothing to break the light of the sun.

VOA: special.2010.04.01

Many people think the search for cleaner energy leads only to renewable resources like sun,wind and water.

VOA: special.2009.10.23

Some foresee hybrid wind-gas and solar-gas plants, with gas producing electricity when sun and wind are weak.

ECONOMIST: What bigger estimates of America��s reserves could mean

Very soon most all on earth will be able to get energy by recharging from the sun and wind.

FORBES: Dow Chemical buys NuvoSun for making solar shingles

But do not confuse harvesters of sun and wind with electricity plutocrats.

ECONOMIST: Germany��s energy transformation