permillage

基本解释

Beijing's birthrate was 6.1 per thousand,death rate,5.3 per thousand,and the natural population growth rate was 0.8 per thousand,down by 0.1 permillage points.
全市人口出生率为6.;1‰，人口死亡率为5
Beijing's birthrate was 6.1 per thousand, death rate, 5.3 per thousand, and the natural population growth rate was 0.8 per thousand, down by 0.1 permillage points.
全市人口出生率为6.;1‰，人口死亡率为5
Keywords motor exhaust;induce;plant cell;permillage of micronucleus cell;
发动机废气;诱导;植物细胞;微核细胞千分率;
Keywords apical fabaoeous root bacteria microkemel microkemel permillage pollution;
蚕豆根尖;细胞微核;微核千分率;污染指数;