In 1975 Dr Moore modified his prediction, observing that componentdensity was doubling every two years.
1975年，摩尔修正了他的预言，他发现元件密度每两年就会增加一倍。
2
The density of the component can also change during sintering, depending on the materials and the sintering temperature.
根据材料和烧结温度的不同，零件的密度在烧结过程中也会改变。
3
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.