mail questionnaire是什么意思 mail questionnaire怎么读
mail questionnaire的用法和样例
- Survey questionnaires were administered through facetoface interviews to immunization managers and a mail survey was administered to immunization providers.
调查问卷调查，通过面对面的访谈，以免疫经理和邮寄问卷是经管免疫提供商。
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