permillage

基本解釋

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.
全市人口出生率為6.;1‰，人口死亡率為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.
全市人口出生率為6.;1‰，人口死亡率為5
Keywords motor exhaust;induce;plant cell;permillage of micronucleus cell;
發(fā)動機廢氣;誘導(dǎo);植物細(xì)胞;微核細(xì)胞千分率;
Keywords apical fabaoeous root bacteria microkemel microkemel permillage pollution;
蠶豆根尖;細(xì)胞微核;微核千分率;污染指數(shù);