They also sampled tissue from deer killed by hunters in the same area, to get an idea of the infection rate in the general population.
他们还提取同一地区被猎人捕杀的黑尾鹿的身体组织样本，以了解一般种群中此类疾病的感染率。
2
They sampled the population to find out the state of public opinion.
他们从人口中抽样以了解民意状况。
3
The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.