Discrete mathematics is a summary of recent decades, generated a new course, it is an important modern branch of mathematics, computer science professionals in the basic theory of the core curriculum.

离散数学是近几十年来产生的一门新课程，它是现代数学的一个重要分支，是计算机科学中专业基础理论的核心课程。

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Forming correct geography concept is the core part in the course of learning and grasping basic geography knowledge.

形成正确的地理概念，是学习和掌握地理基础知识的中心环节。

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Electrics and Electronic course is the core basic required one of many electricity specialities courses.

电工电子技术是电类专业重要的一门专业技术基础课。

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Now, all Iraqi Army recruits receive about the same length of basic training as new recruits in the U.S. Army a five-week core course, followed by an additional three-to-seven weeks of specialized training.

NPR: Bush Reaffirms Iraq Strategy