The questionnaire of customers' satisfaction must be collected back at a rate over 70%. Otherwise, this survey will be deemed invalid.

顾客满意度调查表的回收率必须达到70%以上，否则，该次调查结果视为无效。

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Questionnaire site to extend, in the lecture began before and after hearing lecture after using the same questionnaire survey once respectively, the maternal independent papers, and back on the spot.

问卷现场发放，在讲座开始之前和听完讲座然后别离使用统一问卷调查一次，产妇自力答卷，并就地收回。

youdao

Questionnaire site to extend, in the lecture began before and after hearing lecture after using the same questionnaire survey once respectively, the maternal independent papers, and back on the spot.

问卷现场发放，在讲座开始之前和听完讲座然后别离使用统一问卷调查一次，产妇自力答卷，并就地收回。

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