New powermachinery and artificial fertilizers have now totally transformed a way of life that started in the Stone Age.
新的动力机械和人工肥料现在已经完全改变了从石器时代开始的一种生活方式。
2
Great Britain had large amounts of coal; however, there were not yet efficient means by which to produce mechanical energy or to powermachinery.
英国有大量的煤；然而，当时还没有有效的方法来产生机械能或为机器提供动力。
3
Energy to powermachinery, both on the farm and in the storage and processing facilities, adds to the energy total, which currently represents about 3.1% of annual global energy consumption.