A dynamic 3-d surface shape measuring method for a balloon in quickly leaking gas is proposed.
提出一种气球快速泄气过程中动态三维面形的测量方法。
Results the 3-d imaging of peripheral vascular atherosclerosis could show the stereo shape and surface characteristics of various kinds of plagues.
结果外周血管动脉粥样硬化的三维图像可显示多种形态斑块的立体形状和表面特征。
The development from outer processes to Inner processes brings human's shape-forming technology from 2-d surface into 3-d space, which greatly improves shape-forming capability.
从外加工拓展到内加工，使人类的加工成形工艺从二维表面进入三维空间，极大地提高了零件的成形能力。
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。
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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