No matter which style a mausoleum was, it was built by mobilizing large amount of material and labor force, reflecting the material and moral civilization at that time.
Archives consist of carrier material bearing the archives content and record materialreflecting archives content.
档案是由承受档案内容的载体材料和反映档案内容的记录材料组成。
3
In the process of grinding, the grinding force is a key physical parameter, generally reflecting properties and state of material, and the characteristics of grinding wheel and abrasion state.