convex GRE专八

The convex aspheric surface has self-aplanatic capability.The range that can be utilized in practice was studied.

分析了自消球差方法检验球面的实际可用范围。

The combination of convex and plank with sunblind engraving, gives you a beautiful external appearance of building ,and anancient,steady feeling .

面板岩,与窗檐雕刻的结合,给人予美的建筑外观,一种古朴、自然、沉稳的感觉.

Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.

胞果的两面；喙差不多等于珠心的长度；种子离生的果皮；对具微刺的在先端针状的叶和苞片。

A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.

一种防治近视眼的理疗器，它有作为物镜的透镜、镜筒、目镜，还有头套和透镜，它用于人们在近距离上长时间用眼时戴在眼上，可以使被视物的像清楚、放大和变远。

In addition, a sufficient condition of convex fuzzy-valued function getting minimum value is presented, and the method of convexification for a usual fuzzy-valued function is also given.

同时，给出了模糊值取得最小值的充分条件以及化一般模糊值的一种方法。

On the other hand,we use a new method of moving neighborhood to simplify the proof for the continuity of a subconvex function defined on a convex in a normed linear space.

另外,本文利用邻域的"平移"方法,给出了定义在赋范线性空间内的集上的泛连续性的简捷证明。