Tab Separated Value survey structure/12/zh-cn
From LimeSurvey Manual
关系是根据亲缘关系推断的。So, questions following a group are part of that group; subquestions following a question are part of that question, and answers following a question are part of that question. Thus, you don't need to know the IDs (gid, qid, sqid) for any questions. Those will be computed automatically upon import. In fact, this format does not use gid, qid, or sqid (or SGQA codes) at all.