The effectiveduration of this package is 3 months, beginning on the date of the agreement.
该套餐有效期至协议签订之日起三个月。
2
Objective to study the effectiveduration of niclosamide and influencing factors in water and soil.
目的研究氯硝柳胺在水体及土壤中的持效时间及其影响因素。
3
According to the authors, antibiotics "should be prescribed for pregnant women only for appropriate indications and for the shortest effectiveduration."