文章从系统角度讨论了卷簧机数控系统的硬、软件构成，界面结构，数据通讯及伺服控制。
In the view of the control system, the paper discuss hardware architecture, software architecture, interface architecture, data communication, and servo control system.
城市交通模型从系统角度研究了网络交通流的相变规律，近期出现了网络模型与多车道模型相结合的趋势。
City traffic models have been used to investigate (phase) transition. A trend is the combining of city traffic and multi-lane models.
从传统教育家的角度来看，这一结果表明，学校教育未能帮助学生思考生态系统和物种灭绝等主要科学思想。
From the standpoint of a traditional educator, this outcome indicated that schooling had failed to help students think about ecosystems and extinction, major scientific ideas.
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