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。
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。
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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