streamlined train head shape
streamlined train head shape
流线型车头形状
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The shape of streamlined train head is made of the 3-dimensional space free form surface, whose shape outline curve USES NURBS curve and complex shape surface USES 3-d NURBS surface.
基于流线型的列车头部外形由三维空间自由曲面构成，提出采用NURBS曲线设计外形型线和用三维nurbs曲面描述复杂三维曲面的车头外形设计方法。
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