chōu​yàng​diào​chá

sample survey; sampling

Senses

抽样调查/ 抽樣調查 chōu​yàng​diào​chá sample survey; sampling

to conduct a survey by selecting a representative portion from a population for study, or a method of research using such sampling

References

same_as 抽样调查/抽樣調查 样本调查/樣本調查