塑件宜取回转体对称外形，不宜过高。
Plastic Parts Swinging back to symmetrical shape, should not be too high.
推荐理由：perFORM [d]ance小屋外形对称，风格现代，我们认为很受欢迎。再说还有抗灾性能。
Why we like it: the perFORM [d] ance house is symmetrical pleasing with a modernistic style we think could become really popular - plus they get extra points for a disaster resistance.
迎角、旋成体的外形，尤其是头部的几何形状是细长前体出现非对称涡的关键因素。
Angle of attack and nose shape of bodies are key factors that asymmetric vortex occurs over slender bodies.
外形含非对称结构可以锻出，零件外表面单边留少许余量即可。
Shape with an asymmetric structure could (forge) out, spare parts the outer surface of unilateralism can leave a little headroom.
建筑布局对称，外形多样，风格宏伟。
Buildings were symmetrical in layout, diversified in form and magnificent in style.
阐述了零件的外形尺寸、对称性以及嵌套和缠绕性等几何特征对零件可装配性的影响，并探讨了这些特征的自动识别方法。
The effects of dimension, symmetry and tangling or nesting features on assemblability are discussed, and the recognition methods from CAD model of these geometric features are given.
球对称梯度折射率微球透镜具有体积小、光路短、外形易加工、使用易调整，且无螺旋光线、像差小等优越性能。
The spherical gradient refractive index micro-lens with small volume and short optical path can be easily shaped and conveniently adjusted, and has no spiral rays and low spherical aberration.
鼻外形左右基本对称，鼻翼外形恢复不明显，鼻小柱位于面部正中位置。
Nose shape was substantially symmetrical, the alae of the nose recovery is not obvious, columellar position located in the middle of the face.
外形对称的工件得不到具有相似对称关系的淬火冷却效果；
No similar symmetrical quenching cooling effects can be attained for work pieces with symmetrical forms; 8.
外形对称的工件得不到具有相似对称关系的淬火冷却效果；
No similar symmetrical quenching cooling effects can be attained for work pieces with symmetrical forms; 8.
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