几何的

Three dimensional rotation represented by quaternion has two advantages over that by matrix: first, the geometric meaning is definitude; second, computation is easy.

用四元数表达三维的旋转与使用矩阵相比具有两个优点：第一，几何意义明确；第二，计算简单。

Distance between sensitive skin and obstacle is measured by using geometric optics model.

系统采用了几何光学模型法来测量敏感皮肤与障碍物间的距离。

Fiber with a core diameter less than about ten times the wavelength of the propagating light cannot be modeled using geometric optics.

光纤与核心直径小于10倍左右波长的光线不能用几何光学模型。

In this paper, the Fresnel transform and the Geometric Optics inversion method are analyzed and compared. The limitations of the theories of these methods are analyzed.

文章研究了菲涅耳及几何光学方法的反演原理，利用GPS/MET数据分别反演得到了大气折射率及温度廓线。

The general formulae are constructed for studing the geometric anisoplanatism of an adaptive optics by the transverse spectral filtering method.

利用横向谱滤波方法给出了研究自适应光学几何非等晕性的一般关系式。

Finally, we use Cooke Triplet and Double Gauss to be our design models. The negative index lens and traditional lens are compared in the geometric optics.

最后利用两组透镜组Cooke Triplet与Double Gauss 作为设计蓝图，把负折射率透镜与一般的传统透镜作为几何光学上的比较。

Based on geometric optics method, the atmospheric profiles are inverted from the excess phase delays of a COSMIC RO event occurring on June 6, 2007 over Australia.

基于几何光学反演方法，由附加相位延迟序列出发，对2007年6月6日发生在澳大利亚上空的一次COSMIC掩星事件进行了反演。

Software Description: About Looking Glass, This is a geometric optics construction set that allows students to create and explore situations involving several objects, lenses, mirrors and images.

Looking Glass 这是一款几何光学建造软件，允许学生建造和探索包括物体、透镜、映像和图像的建筑。

A Cluster Validity Function Based on Geometric Probability.

一种基于几何概率的聚类有效性函数。

The article explores geometric representation of the said ideas and then formulates algebraic techniques to explore the ideas in more detail.

文章探讨了几何表示了上述意见，然后制定代数技术探索更详细的意见。

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。