Computer models often give a very good estimate of star sizes, but direct measurements would be best, researchers said.
计算机模型往往会给一个很好的明星大小的估计，但是直接测量将是最好的，研究人员说。
2
To estimate the direct financial costs to the Sri Lanka Ministry of Health of treating patients after self-poisoning, particularly from pesticides, in a single district.
评估斯里兰卡卫生部为治疗一个地区的自体中毒(尤其是源自杀虫剂)患者所拨付的直接财政经费。
3
These higher estimates were used to estimate the number of HIV-positive TB cases in countries for which direct measurements were not available.