This paper makes some supplement for the error in demonstrating the relations between two curve line integrals in the textbook advanced mathematics (edited by Tongji university 4th edition).

对教材《高等数学》（同济大学数学教研室主编，第四版）中关于两类平面曲线积分关系证明中的一处疏漏给出补充证明。

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With the implementation of mathematics Curriculum Standards for Compulsory Education (Trial Edition), great changes have taken place in primary mathematics teaching.

《全日制义务教育数学课程标准》(实验稿)实施以来，小学数学教学焕发出勃勃生机。

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Advanced Engineering Mathematics, International Student Version, 10th Edition.

高等工程数学，国际学生版，第10版。

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