This dissertation discusses the cultural reconstruction and the economic recovery of Yangzhou in Early Qing, focusing on the composition of the painting circle of Early Qing Yangzhou.
本文围绕清初扬州文化的重建和城市经济的复兴进行了一些探讨，关注的中心问题是清初扬州画坛的构成状况。
Tourism circle is a kind of tourism resources composition pattern and one of main tourism cooperation modes for different places nowadays.
旅游圈是一种旅游资源的整合方式，是当今各地旅游业合作的主要模式之一。
In This paper, the system composition and working principle of the material thickness measuring meter of ultrasonic sinter-circle-cooling machines are introduced.
介绍了超声波式烧结环冷机料层厚度测量仪的系统构成和工作原理。
This paper introduces three kinds of CNC turning method combined with practical example, concentric circle turning, center shifting turning and taper profile composition turning.
文章结合编程实例介绍了球弧数控车削三种常用的工艺方法，即车圆法、移圆法、车锥法。
This paper introduces three kinds of CNC turning method combined with practical example, concentric circle turning, center shifting turning and taper profile composition turning.
文章结合编程实例介绍了球弧数控车削三种常用的工艺方法，即车圆法、移圆法、车锥法。
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