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终期收取资料完整的调查表一代为243份,二代为644份。
The returned intact tables from the first generation and the second generation were 243 and 644 respectively.
youdao
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终期收取资料完整的调查表一代为243份,二代为644份。
The returned intact tables from the first generation and the second generation were 243 and 644 respectively.
youdao