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单词 survey
释义

Survey

Survey
To gather information by individual samples so we can learn about the whole thing.

Samples are usually chosen randomly so we do not affect the results one way or another.

Example: we survey a group's opinion by asking randomly chosen people from the group the same questions.

Another example: we survey a river's water quality by taking a cupful of water at different random locations and times.
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更新时间:2025/5/13 18:07:33