...改图层属性控制图层的可见性介绍打印打印出图过程研究布局和页面设置名称纸张尺寸及单位打印区域图形方向（Drawing orientation）打印比例（Plot Scale）打印预览打印出图第5章操作练习第5章问答题第6章 多视图的开发绘图的一般类型垂直投影理论透明立方体图形...
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A certain degree of free fibrillar structure was observed on the fiber surface due to the sheath structure of the fiber subjected to the greater drawing and orientation.
纺丝过程中纤维皮层结构受到更大的拉伸取向作用，并在纤维表面出现一定游离原纤化结构。
The aesthetic experience plays an important part in drawing creation. It embodies painters aesthetic orientation and aesthetic ideal.
审美感受力在绘画艺术创作中起着重要的作用，它体现了画家的审美取向和审美理想。
In engineering drawing, it is always inconvenient for orthographic projection to solve some measurement and orientation problems.
由于在工程图学中，用正投影法解决画法几何中的某些度量和定位问题往往很不方便。
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