A century later the picture was completely different: by then, the world had an electric industry, and a quarter of its generating capacity was water powered.
一个世纪后,情况完全不同了:这时,世界上已经有了电力工业,其四分之一的发电量是水力驱动的。
2
Turbines at the Barrage DE la rance electric power generating station in France create a whirlpool in the rance River.
安装在法国兰斯发电站拦河坝上的涡轮机构成了兰斯河上的漩涡。
3
That would mean a loss of about 50% of the electricgenerating capacity in the US.