The hinge of sketch drawing depends on correct shape structure and form relations and on the understanding and grasp of the overall composition.
素描创作的关键在于正确把握形体结构和构成关系，对整体造型进行深刻地感受和认识。
The author proposed a method based on feature technology which can create correct unfolding drawing of sheet metal parts with plenty of process information.
提出了一种基于特征技术的能够生成正确的、包含丰富工艺信息的板金零件展开图的生成算法。
By the fea engineers can make correct decisions at the early design stage and the development cycle of the drawing die for the panel shortens to4weeks from the past12weeks.
有限元分析有助于工程师在设计初期制定正确的设计方案，使该产品的开发周期从过去的12周缩短为4周。
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