First, I expounded on the purpose and significance of learning disability revie-wed the history of China in the level of learning disability Health research and paper used by the research methods.

本文首先阐明了研究的目的和意义，回顾了学习困难研究的历史、我国对中职生学习困难的研究状况及本文所使用的研究方法。

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In old China, surnames symbolized the continuity of a clan. Most women had no formal name before marriage. They adopted their husband's surname after they wed and children used their father's surname.

旧中国姓氏是家族传宗接代的标志，女性出嫁前大多没有正式名字，出嫁后随夫姓，子女则随父姓。

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