The emphasis of the paper is design and implementation of course-selecting system.
本文的重点是对选课系统的设计与实现。
You need to be cautious in selecting a course.
在选择课程时，你需要小心谨慎。
Set a strategic course by selecting the right organization for each stage of your career.
你一定要做好自己的人生规划，在职业生涯的每一个阶段都要挑选最适合自己的公司。
An open course selecting system based on credit system is given.
给出了一个基于学分制的开放式选课系统的设计和实现。
An open course selecting system based on credit system is given.
给出了一个基于学分制的开放式选课系统的设计和实现。
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