求翻译：由于案例教学以学生的积极参与为前提,以教师的有效组织和调控为保证,将案例与概念恰到好处地有效交织,以保证知识的概括性和具体性相结合,往往较为困难，能力培养效果高，但是学习系统知识效率低。是什么意思？

Case Teaching to the active participation of students as a precondition to the effective organization and regulation of the teachers in order to ensure that the case with the concept of right intertwined, in order to ensure the generality of the knowledge and specific combining, are often more diffi

In case of teaching students to participate actively in the teacher, the effective organization and control to ensure that the case, and conceptual focus and effective combination of knowledge, in order to ensure broad and specific, and often more difficult, capacity-building effects, but less effic

Because the case teaching participation positively take the student as the premise, take teacher's effective organization and the regulation as the guarantee, just right effectively interweaves the case and the concept, guaranteed the knowledge the concise quality and the concrete disposition union,

Due to case teaching subject to the active participation of the students, to effective organization and regulation of teachers as a guarantee, will be effectively interwoven case and the concept is just right, combining generality and specificity to ensure that knowledge is often more difficult, hig

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