This course is professional elective for information security and intelligent science and technology.

本课程是信息安全、智能科学与技术专业选修课。

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He used an elective system, replacing the stereotype of classical courses, students can pursue their professional interest.

他采用选修制，取代了刻板的古典课程，学生们可以攻读他们感兴趣的专业。

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Elective professional courses 21 credits;

专业课程选修课21学分；

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The following year saw the first glimmerings of elective politics when 12 lawmakers were chosen by small "functional constituencies" made up of business and professional groups.

CNN: The Shift of Power