查询词典 symmetry

A property-based integrated line-generating algorithm, which is based on the Bresenham algorithm and makes full use of the symmetry, direction and continuity of the line, is presented to increase the speed of line generating.

在分析和比较了现有的直线生成算法后，以 Bresenham算法为基础，充分利用直线的对称性、方向性和连续性，设计了一个基于直线特性的直线生成集成算法，以进一步提高直线生成速度。

The symmetry of the planetary relief is broken in the western Pacific where the geoid surface is uplifted.

在西太平洋中，星球地势起伏的对称受到破坏，那里的地球体表面受到抬升。

Fearful Symmetry: Is God a Geometer?

可畏的对称：上帝是几何学家？

The topics covered in these sections are the geometric interpretation of systems of linear equations, the classification of finite symmetry groups in two and three dimensions, the exponential of a matrix and its application to solving systems of first order linear differential equations with constant coefficients, and Hurwitz's theorem on the composition of quadratic forms.

这些条文所涉及的主题是线性方程组的几何解释，在两个和三个有限对称群的分类方面，一个矩阵及其应用，以解决一阶常系数线性差分方程，系统指数赫尔维茨定理在二次形式组成。

HRT-Ⅲ has the advantages in comparison with the symmetry of glaucomatous optic disc.

HRT-Ⅲ在比较青光眼患者双眼视盘对称性等方面具有优势。

In this section, we present a method that breaks the symmetry of the graph coloring problem by matrix transformation and provide a improved general standard of genetic algorithms which can be used to solve many problems with a highly symmetric solution space .

本文提出利用矩阵变换的方法解决冗余数据带来的交叉算子失效问题，并给出一种改进的通用遗传算法标准用于解决一类具有编码冗余问题的例子。

If you draw an imaginary line of symmetry through in between the eyes of an octopus, there's symmetrical first arms, symmetrical second arms, he had a little damage there but on the third arms, instead of being long and tapered with suckers carried to the end, in males that third arm is a little shorter and the tip has got a grasper type organ.

如果你通过章鱼的眼睛之间画一条想像对称线，有对称第一条触手，对称第二条触手，但是在第三条胳膊它有点损伤的那里，在雄章鱼第三条触手是更短且尖端有抓取型器官，而不是长和逐渐变细在末端带有吸盘。

Utilizing the symmetry of the output of the light produced from the slab target, this method is concise and can simply give the result by comparing the intensity of the beams received by flat-field grating spectrometer.

这种方法避免了测量入射光以及出射光的绝对强度，减少了测量过程中的被测量，因而测量的误差也随之降低。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与平面图上的流道中线无关。

The axially symmetric torsion of rigid circular shaft of varying diameter embedded in an elastic half space is studied by line-loaded integral equation method, where the problem is formulated by distributions of fictitions fundamental loads PRCHS (point ring couple in half space) along the axis of symmetry in interval of the shaft and is reduced to a one-dimensional and non-singular Fredholm integral equation of the first kind and is easily solved numerically.

弹性半空间；本文用线载荷积分方程法研究嵌在弹性半空间的刚性变直径圆轴的轴对称扭转。利用将"半空间的点环力偶"这一虚的基本载荷沿对称轴的圆轴区间中分布就能使本问题归结为一个一维的非奇异的Ferdholm第一种积分方程，且很易用数值求解。文中给出刚性圆锥，圆柱，圆锥柱嵌在弹性半空间的扭转的数值计算的例并和他人的已知结果相比较。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。