The basic construction and work principles of the new kind of sewing machine for rainbow metal roof are introduced in this paper. The shaping methods and typical construction are mainly presented.
介绍了新型彩虹金属屋顶用锁边机的基本结构和工作原理，其中重点介绍了成型方法和典型结构。
The fourth part analyzes and summarizes the different topography of the landscape design, and further elaborated principles for the visual impact of the Yuanmingyuan terrain shaping and control.
第四部分分析总结了不同地形对于园林设计的影响，进一步阐述了视觉原理对于圆明园地形塑造中的影响与控制。
Philosophical studies imply principles for philosophy framing that entail the shaping of new ideas and theories.
哲学的对话、沉思内含着建构性的原则，后者以新的思想和理论的形成为题中应有之义。
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