几何的

In this paper presents a new geometric active contour scheme for medical image segmentation.

提出一种新的几何活动轮廊模型对医学图像进行分割。

The increments of the contraction ratio and the convergence angle strengthen the internal compression.

用N-S方程模拟了一系列典型二元高超声速进气道内压缩通道及隔离段模型，模拟发现内压缩通道及隔离段增压比、温升比和总压恢复系数等性能参数主要受面积收缩比、内压缩通道收缩角、隔离段长高比等几何参数以及内压缩通道进口马赫数、密度、附面层厚度等流动参数的影响。

Watermarking signal was constructed by geometric data of mesh, after geometric feature extracting in spatial domain and energy's convergence in transformed domain.

水印由网格的几何数据经过空域特征提取及变换域能量集中后生成。

Based on the previous work of other researchers, we presented the definition of global convex: a surface is globally convex if it happens to be the surface of a convex body or part of the surface of a convex body.

曲面微分几何，总结了自由曲面形状分析技术手段，对著名CAD软件中曲面分析工具特点进行了简要分析，指出了它们对曲面全局形状分析能力的不足。

Convex body; star body; cross i-section; Firey projection; Radon transform; Fourier transform of distribution; generalized intersection body; dual mixed volume; embedding in L_p

基础科学，数学，几何、拓扑凸体；星体； i-维中心截面； Radon变换；分布的Fourier变换；广义截面体；对偶混合体积；等距嵌入L_p

In this paper, we introduce the definition of convex function by the aid of convex set.

本文首先借助于凸集概念引出凸函数定义，揭示凸函数概念与凸性这一几何性质的联系。

The convex hull is one of the first problems that was studied in computational geometry.

凸壳认为，在计算几何研究的首要问题之一。

The assembly objects were described with convex polyhedron. Geometric features of the assembly objects were analyzed.

以凸多面体为装配对象，分析装配操作过程中装配对象的几何特性。

And they satisfy thetopological geometry of the convex polyhedron framework. The calculated results showthat they are preferable in energy.

它们满足凸多面体骨架拓扑几何条件，并通过计算得知：这些构型分子在能量上是有利的。

The fish, panting convulsively, thus entreated for his life: O sir, what good can I be to you , and how little am I worth?

鱼儿 在挣扎，并为它的生命而乞求：'噢先生，我能给你带来什么好处呢，而且我才价值几何？

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。