Composites are used because overallproperties of the composites are superior to those of the individual components.
之所以使用复合材料是因为其全面性能优于组成部分单独的性能。
2
The results showed that PP/LDPE has high-ratio of foaming , the surface of foamed sheet was smooth and has good overallproperties.
结果表明： PP／LDPE共混体系的发泡倍率较高，发泡片材表面光滑，气孔细密，具有较好的综合性能。
3
The forging method is superior to the common flat anvils(FA) forging method in inner stress states, metal tissue, overallproperties and geometrical shapes of forgings.