孙凤武：论真理具有抽象性 - 中国社会科学网 中国社会科学院主办 关键词： 抽象性；认识层面；操作层面 [gap=10371]Key words: abstract nature ; realization; usage
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Finally, this thesis proposed suggestions about developing our Urban Mass Transit from the perspective of policy,management,operation and environment.
最后，本论文从政策层面、管理层面、操作层面、环境层面等四个层面提出今后我国发展城市轨道交通的建议。
参考来源 - 我国城市轨道交通建设与运营模式研究·2,447,543篇论文数据，部分数据来源于NoteExpress
这个计划在操作层面上还存在问题。
There are still problems on the operational level about this plan.
文章力图从操作层面就课堂提问问题阐明己见。
This article tries to illustrate the writers view about asking questions in class with plenty of practical actions.
他们忽略了一个操作层面，两个系统的设计过程和提供的信息可能完全不同。
What they are overlooking is that at an operational level, the design of the two systems might process and provide information entirely differently.
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