是指在调查中对样本初次访问失败后的再次访问。

The practice in attempting to interview someone in a survey sample who was not contacted or interviewed on an earlier try.

youdao

我于1995年初次访问中国，此后又很荣幸地多次前来访问。

I first visited China in 1995, and I have been privileged to return since then.

youdao

我于1995年初次访问中国，此后又很荣幸地多次前来访问。

I first visited China in 1995, and Ihave been privileged to return since then.

youdao