Concave polygons have to be divided into several convex polygons, and are convex polygon clipping algorithms.

The image properties of plane convex SML are studied by using matrix optics method.

用矩阵光学方法研究平凸自聚焦透镜的成像特性.

This paper presents an interior trust region method for linear constrained LC ^ 1 convex optimization problems.

摘要本文提出一种解线性约束凸规划的数值方法.

The importance of the commercial bank service management is already convex now.

商业银行服务管理的重要性已经凸现.

Draws a single , convex polygon . Vertices 1 through N define this polygon.

画一个凸多边形. 顶点1到n定义一个多边形.

Methods Hypermetropia and myopia were induced by convex lens in front of eyes of 32 subjects.

方法在正常眼前放置正、负球镜,人工诱导单纯性远视、近视性屈光参差.

Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.

配戴低度凸透镜可降低小学生近视的发生率.

Conclusion Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.

结论配戴低度凸透镜可降低小学生近视的发生率.

A convex lens causes rays to converge on a single point, the focal point.

会聚透镜使光线会聚于一点, 即焦点.

Two kinds of convex lens which make parallel rays converge to the focal point are given.

本文给出两种能使平行光严格聚焦于一点的凸透镜.

He polished the convex lens of his telescope.

他擦亮了凸透镜的望远镜.

There are six various plane and concave-convex lens.

备有六种不同面型和凹凸透镜.

A convex lens is used to concentrate rays of light.

凸透镜用于聚集光线.

This is a convex mirror.

这是面凸面镜.

Through all the optimality sufficient conditions and duality problems were discussed on basis of generalized convexity.

这篇论文在总体上沿着广义凸性的定义来展开讨论有效解的判别条件和对偶问题.

Finally, we also give the duality theorems under the above generalized F convexity.

最后我们亦讨论了(VP)在正切锥真有效解意义下的对偶性质.

Convexity-screw is usually important parts which has highly machining accuracy for mechanical product.

凸形螺杆通常是螺杆机械产品中的重要部件,要求其具有较高的精度.

The things are decided by many factors, and they always appear convexity.

事物的“居中”与“多元”是由事物内在的多个因素所决定.

Weak duality theorem is established under generalized convexity conditions.

在广义凸性条件下,建立了弱对偶性定理.

The convexity of the seed capsule is of decisive importance in host selection.

种子囊的突起对寄主的选择起着决定性的作用.

Mahoney had never seen such a conveyance before.

马奥尼以前从来没有见过这样的运输工具。