由于您仅按单向操作复制数据，所以不需要映射响应。

Since you are just copying the data by a one-way operation, the response does not need to be mapped.

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例如，如果仅按出版商分组，则也无法在查询中显示单个书名。

For example, if you group only by publisher, you cannot also display individual titles in the query.

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只有在无法进行寄生虫学诊断的情况下才可考虑仅按症状确定治疗。

Treatment solely on the basis of symptoms should only be considered when a parasitological diagnosis is not possible.

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