The layers are very thin-usually one-fifth or one-tenth of a millimeter.
VOA: special.2010.10.29
We can be precise about how much bigger by saying, "If the acceleration of a body to a given force is ten times that of a one kilogram mass, then this mass is one-tenth of one kilogram."
我们能精确地知道质量能大多少,只需要说,"如果物体在给定力作用下的加速度,是一个 1 千克物体的加速度的 10 倍,那这个物体的质量就是 1 千克的十分之一"
Guanting Wind Farm security supervisor Zong Minqiang says all the power produced on the farm makes up one-tenth of Beijing's electricity needs.
VOA: standard.2010.08.03
That's one for every 75,000 moviegoers, just one-tenth the number of screens in the United States.
VOA: standard.2010.07.06
They aren't Harvard,but again, one-tenth of the total cost of an Ivy League school.
VOA: standard.2009.12.14
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