在网上查到两个句子：

　　1，Music to the ears, hits you right between the eyes

　　You can see it, you can feel it, you can hear it on the fly

　　The world was sleeping, and it appeared

　　It overtakes you, but have no fear!

　　Power casting beyond any measure

　　Power casting beyond any measure

　　2，China and Global. resources of aluminum power casting

　　请问这两段之中的power casting都是什么意思？

　　thanks in advance!