直角

An ancient cosmic or religious symbol formed by a Greek cross with the ends of the arms bent at right angles in either a clockwise or a counterclockwise direction .

万字饰：一个古老的宇宙或宗教象征，由希腊十字的各端成顺时针或逆时针字弯成直角而形成

It provides for visitors with browsing and enjoying l marine life fossil, such as Ammonite fossil, Orthoceras fossil, Traumatocrinus crinoid fossil, Algae fossil, Shrimp fossil, Apateon pedestris, Eurypterid fossil etc.

该网页为访问者提供浏览和欣赏美丽的海洋生物化石，如菊石化石、直角石化石、海百合化石、藻化石、虾化石、彩斑菊石化石、异幻属化石和海蝎化石等。

Transverse part of a cruciform church; crosses the nave at right angles.

十字形教堂的左右翼部；以直角穿过中央广场。

The transverse part of a cruciform church,crossing the nave at right angles.

耳堂十字形教堂的横向部分，用直角穿过中殿

Detail are introduced as following: transfering the LS equation to difference equation, setting the initial conditions for different shape explosive at different initiation way (point, line, plane, divergent or convergent); the dealing method of different edge conditions; how to draw the curve graph in two dimensional space or surface graph in three dimensional space with the calculated data.

本文提出了在三维直角坐标系中爆轰波传播LS方程离散化方法，建立了相应的差分方程，研究了对不同形状炸药在多种起爆形式（点、线、面、散心、聚心）下初值条件的设定，以及各种边界条件的处理方法。

Optical design of cube-corner retroreflectors having curved mirror surfaces.

用矢量方法分析角锥棱镜直角误差对其光路反射特性的影响。

The curved grid is taken to constitute a generalized curvilinear system. Thus, the wave equations have to be written in curvilinear coordinates before applying the numerical scheme.

这一映射技术将直角坐标系下的曲界面变换成曲坐标系下的规则界面，在曲坐标系下用伪谱法模拟波场，最后利用插值得到实际波场的合成记录。

A section created by a plane cutting a solid perpendicular to its longest axis.

由一平面横切某物，通常与轴线成直角切割形成的断面。

Applying the classical method,using anisotropic rectangular coordinates,this article educes the field strength expression by electrified cylindroid and cylindrical surface as well as infinite straight lead in linear anisotropic homogeneous dielectric.

应用各向异性直角坐标系的概念，借助经典的定理 E =- xΦ，导出了带电椭圆柱面、圆柱面、无限长直导线在线性各向异性均匀电介质中的场强表达式。

Considering minimization of total wire length as the objective, it allows virtual blocks to transform into rectilinear shapes without overlaps and selects the optimum shapes for virtual blocks. It is based on the dead space block assignment and pin allocation during the process of packing.

该算法以线长最小化为目标，通过在位置优化过程中对虚拟模块进行无重叠的直角多边形变形来实现虚拟模块的形状优化，形状优化过程是基于模块填装过程中的空白区分配算法和引脚分配算法，并以降低线网在半周长模式下的线长下限为其主要理论依据。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。