Correct

普查

/ pǔchá / 
Strokes

Definition

census/general survey/general investigation/reconnaissance survey

Example

As a Verb

make a general investigation or survey

1
Rénkǒu
人口
pǔchá
普查

census

2
Chángjiànbìng
常见病
pǔchá
普查

general survey of common diseases