矢

The propagation of elastic wave in a cylindrical bore hole containing a fluid (for example, the muddy fluid is generally used) for acoustic logging is analyzed with a simplified model.

本文分析了简化模型下声波测井时裸眼井中弹性波的传播，此波场可看成是轴向传播有不同波矢的分波的叠加。

Screw dislocations with b=[1/4000 00], [1/200000], [3/400000], [100000] and edge dislocations with b= [1/2 00000] are determined in Al-Co-Ni decagonal quasicrystal.

发现了柏格矢大小为b＝[1/400000]，[1/200000]，[3/400000]和[100000]的螺位错和b＝[1/200000]的刃位错。

The history and representative work of methods of the developable surface modeling and surface development in the field of CAGD are briefly reviewed.

二、推导出了三次C-B？zier曲线导矢计算的简洁公式，证明了B？zier曲线的速端曲线性质对C-B？zier曲线不成立。

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日本电视冠军杂耍王矢部亮，到台湾上综艺大哥大表演的画面

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20世纪90年代中国街头有一种小书摊，只要花上2毛钱就能看一本小人书，阿童木、小叮当、就在那个时候静静的走进我们的视线，随后的《圣斗士星矢》、《北斗神拳》、《七龙珠》、等等也成了80后的热门漫画。

The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment.

将扫描体与复杂曲面法矢的求交问题，转化为三角网格与有向线段之间的求交计算。

On this basis, we further analyze the situation of backward wave in anisotropic metamaterials with different dispersion relations, and the angle between wave vector and Poynting vector, and the general conclusion of backward wave propagation are obtained.

在此基础上，进一步分析了几种不同色散曲线关系的各向异性超常材料中倒退波的产生情况，获得了电磁波波矢和坡印亭矢量夹角的具体表达式和倒退波传播的一般性结论。

The construction precision control point of chord surveying method for ballastless track ballast bed is introduced, including design of control system, layout of chord point, rational range of circle distance, control point of laying track and chord surveying.

介绍了无碴轨道道床竖曲线弦测法施工精度控制要点，即控制体系的设计，弦线点的设置，矢矩的合格范围以及轨排铺设和弦线量测的控制要点。

After that, by making use of dual basis, the general reconstruction formula about frame is discussed, and the computation formula for the dual frame is presented, in which no operators are contained.

然后，利用对偶基概念讨论了一般框架下信号的重构公式，并给出了对偶框架的具体计算公式，该公式不包含任何算符，可以明显看出基矢的相关性与框架类型之间的关系。

To analyze the changes of plasma concentration of CGRP and SP after electrical stimulation on dura mater adjacent to SSS by means of radioimmunity methods.

观察电刺激上矢状窦旁硬脑膜对大鼠血浆CGRP和SP的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。