vertex GRE专八

the vertex of a mountain.

the vertex of an arch

拱顶

Now we need a vertex buffer.

现在我们需要一个顶点缓冲。

First, the vertexes are sequenced according to their curvature to form a descending order vertex array.The rearer vertex has smaller local curvature.

首先对所有顶点按照曲率大小进行排序，形成按照降序排列的顶点集，顶点靠后，其周围局部曲率小。

Methods：Explain the difference between power and vertex power from basic definitions of optics, and analyze the measuring principle and error of focimeter.

方法:从光学的基础定义出发，阐述光焦度顶焦度的别，并对焦度计的测量原理进行正确分析。

The main causes of dystocia of vertex presentation were occiput malpresentation, macrosomic infant, uterine atony, abnormal pelvic and genital tract.

导致头位难产的主要因素依次为胎头位置异常、巨大儿、宫缩乏力、软产道及骨产道异常。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑外平面图中的反馈点集并给出了一个求外平面图最小顶点赋权反馈点集的线性时间算法。

A pebbling move on a graph G consists of taking two pebbles off from a vertex and placing one pebble on an adjacent vertex.

摘要在图上进行小石块的移动的步骤为从一个点上取走两个小石块，并在它的某个邻点上放一个小石块。

Method 98 pregnant women with single pregnant、vertex present were randomized into mifepristone combined with oxytoxin group (A group) and oxytoxin group (B group).

方法将98例具有引产指征的单胎、头位初产妇随机分为米非司酮与催产素联合应用组(A组)单用催产素组(B组)。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

目的:证实采用接触镜专用标准透镜组标定的焦度计不能准确测定被测角膜接触镜的顶焦度。

This paper gives a vertex sequencing algorithm about complete oriented multigraph. Based on this algorithm, a useful optimum statistical pattern for documents selecting is described.

本文给出了一个复完全有向图顶点排序标法，并利用该算法建立了具有实际应用价值的文献优选统计模型。