They have counted more than 1,100,000 craters in farmland.
Why the FT?See why over a million readers pay to read the Financial Times.，更多细节参见使用 WeChat 網頁版
，详情可参考谷歌
США отказались вводить новые санкции против российской нефти14:34
In short, shale is rock that contains oil and natural gas. Think of shale as energy yet to be tapped. The more shale the U.S. accesses, the more energy we’ll have—and the more easily oil prices can keep from spiking as much thanks to a greater supply.，这一点在官网中也有详细论述