求翻译：比如，在理论上对高校教学质量的价值选择、概念的界定、教学质量保证体系的构成要素及要素间的关系、体系的广泛性和复杂性等问题，还未达成共识；在实践上往往按经典控制论构建和运行教学质量保证体系，对于系统的要素、结构等大多未按客观规律而只靠主观臆造构建和运行，使得目前高等学校教学质量保证体系远未达到应有的效果。存在这些问题的重要原因是研究视角不够宽广，缺乏系统科学尤其是大系统控制论的理论指导。是什么意思？

For example, the theoretical value of university teaching quality select concepts defined, the relationship between the elements and elements of teaching quality assurance system, issues such as the breadth and complexity of the system, has not yet reached a consensus; practice often press classical

For example, in theory the quality of teaching in colleges and universities value selected, the definition of the concept, the teaching quality assurance system of the elements of a relationship between the elements and systems, and the breadth and complexity of such issues, but also have not reache

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Such as, in theory on University teaching quality of value Select, and concept of defined, and teaching quality guarantee system of constitute elements and the elements between of relationship, and system of generalized and complexity, problem, also is not reached consensus; in practice Shang often

For instance, theoretically to university quality of teaching value choice, concept limits, quality of teaching guarantee system integrant part and essential factor questions and so on relations, system universality and complexity, but also has not achieved the mutual recognition; In the practice of