查询词典 mathematical

Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria .

欧几里德几何是一种数学系统归于希腊数学家欧几里德的亚历山大。

This appendix proved to be one of the foundations of non － Euclidean geometry ; it was a mathematical landmark worth farmore than anything else in the book .

结果这一附录被证明为非欧几何的基础之一，它是数学上的一个里程碑，远比那本书中其他任何内容都重要得多。

The Math object features a full complement of built-in mathematical constants and functions, such as E (Euler's constant), cos, and atan.

数学对象以一系列的数学常量和功能为特点，如E、cos、atan。

Based on Euler equation, a mathematical formula of this method is derived and a algorithm for calculating parameters of multiple sources is provided. Model studies show that the method can locate or outline multiple sources with remarkable accuracy in two or three dimension.

推导出了组合模型二维和三维欧拉反演方法的理论计算公式，提出了相关的计算步骤，并通过理论模型演算证实了该方法对于组合模型反演的正确性和可靠性。

The source images used to calculate the Euler number, in the image processing mathematical morphology very useful.

详细说明：这个源码用于计算图像中的欧拉数，在图像处理的数学形态学中非常有用。

The instrument software has the function of demonstration of basic knowledge of Digital Image Processing, i.e., it performs the functions of real-time collection and images saving, color change (brightness, binarization, RGB separation etc.), geometrical transform, edge detection (Robert arithmetic operator, Sobel arithmetic operator, Prewitt arithmetic operator, LOG arithmetic operator, Canny arithmetic operator etc.), gray-scale image enhancement (histogram equalization, averaging filtering, median filtering), and binary mathematical morphology management (erosion, dilation, opening, closing, objects marking, Euler number calculation).

该测试仪的软件部分包含数字图像处理课程所涉及的一些基础知识的演示，具体包括图像的实时采集与保存、颜色变换(灰度化、二值化、R、G、B颜色分量的分离等)、几何变换、边缘检测(Robert、Sobel、Prewitt、LOG、Canny)、灰度图像增强(直方图均衡化、均值滤波、中值滤波等)、二值图像操作(腐蚀、膨胀、开启、闭合、对象标注、欧拉数计算)等功能。

In mathematical analysis, it was Euler who synthesised

在分析领域，是欧拉综合了

This method is also can be used to build the mathematical model of multi evaporator.

该方法对于建立多效蒸发器液位的数学模型普遍实用。

According to the deficiency of event tree analysis in safety evaluation,this paper introduces a dynamic event tree analysis method and the mathematical description is given as well.

针对传统的事件树分析方法在安全性评估中的局限性，在动态事件树分析方法的基础上，给出了其数学描述，并将其应用于导弹安全自毁系统安全性评估中，以描述导弹安全自毁过程中的动态特性。

Nonlinear evolution equation is an important mathematical model for describing physical phenomenon and an important field in the contempary study of nonlinear physics, especially in the study of soliton theory.

非线性演化方程是描述物理现象的一类重要数学模型，也是非线性物理特别是孤立子理论最前沿的研究课题之一。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。