In Sweden, you have more than 60% of griding electricity from region power, but maybe less 1% of daily life energy, I mean gas, I mean cooking, I mean hot water.

在瑞典，60%以上的电能来自于地区电网，但是可能只有不到1%的日常生活能源(我指天然气，做饭、热水等)来自于太阳能。生活方式需要改变。

In this paper, a new griding method is introduced to calculate strain and stress contour for rear wheel cover of CA142 truck and the reasons for stamping defects are analyzed.

本文以CA142汽车后轮罩为对象，利用一种新的网格方法，计算了应变、应力等高线，分析了后轮罩出现冲压缺陷的原因。