查询词典 method of difference

Phase difference extended measurement method of the signal ...

同时给出了对工频信号以外信号的相位差扩展测量方法。

The finite-difference method of calculation on primary wave traveltime based on any rectangular grid and a local plane wavefront approximation has high precision and can apply to complex media with violent velocity variation.

基于任意矩形网格和局部平面波前近似的有限差分初至波走时计算方法精度较高并适用于强纵横向变速的复杂介质。

In order to evaluate the difference between enantiomers and the racemate in the research about pharmacology and toxicology, both high optical pure enantiomers of KMBZ-009 were obtained with efficient method of enzymatic-catalyst kinetic resolution.

2为了评价KMBZ-009光学对映异构体在药效、毒性上是否存在显著性差异，成功地进行了KMBZ-009光学异构体酶促动力学拆分。

This paper studied a method of extracting the text features based on the kernel and scatter difference.

研究了一种基于核的最大散度差准则的文本特征抽取方法。

This text mainly research the thinking of embedded software development and the difference between it and desktop software development; has designed every function module of the system in detail; has given the method of developing GIS in eVC++ 3.0 platform, further investigated the arithmetic of the mouse choosing simple polygon and the arithmetic of polygonal algorithm of area by calculating constant points; has compared ODBC, DAO and ADO three data access technology and realized ADO data access; has analysed the precision of GPS and given some methods to improve it.

本文主要研究了嵌入式软件开发的思路及其与台式机软件开发的区别；详细设计了系统的各功能模块；给出了在 eVC++ 3.0 平台中开发地理信息系统的方法，并深入研究了鼠标选取简单多边形和连续点法计算多边形面积的算法；比较了 ODBC、DAO 及 ADO三种数据访问技术的优缺点并给出了 ADO 数据访问技术的实现；分析了 GPS 定位精度并给出了改进方法。

Based on the wave equations of electromagnetic field, a new time-domain numerical method-direct difference solution of vector wave equation is researched. Calculating formulas of electric field and magnetic field are also given.

对电磁场波动方程进行了分析，研究了一种基于电场波动方程的时域数值方法―矢量波动方程的直接差分解法，给出了电场和磁场的计算公式。

On this foundation, this text sums up the basic principle of permeating mathematics method of thinking in junior high school mathematics: Announce to public and permeate," show"and " hidden" combinative, follow the sequence and advance gradually, spiral raising, make a point of the process, permeat on time, sum in time, system induce, problem solving, outstanding and deep, respect difference, layering teaching, come from knowledge, return to knowledge.

在此基础上，本文总结了初中数学中的数学思想与方法渗透的基本原则：揭示渗透，"潜""显"结合的原则，循序渐进，螺旋上升的原则，注重过程，适时渗透的原则，及时小结，系统归纳的原则，问题解决，突出深化的原则，尊重差异，分层教学的原则，源于知识，回归知识的原则。

Automatic threshold choice is difficult and important to color images edge detection, First of all, on the base of human visual properties, threshold versus intensity function of human visual system are researched and analyzed, by using method of mathematic modeling and the result of saturation research, function of least color difference that can be perceptible by visual systems in detecting edge is given.

摘要自动阀值选取是彩色图像边缘检测的难点和关键问题，首先从人类的视觉特性出发，分析了人类视觉系统的亮度感知门限函数，利用数学建模方法和色度学方面的研究成果，给出人类视觉系统对彩色图像边缘所能识别的最小彩色差函数。

At present, the tooth form of the finger type gear-milling cutter is designed according to the method of radii of equal-difference to choose the required points.

针对目前指形齿轮铣刀齿形设计按半径等差取点所存在的问题进行了分析，提出按压力角取点的新方法。

The factors that affect the acid resistance and color difference of the capsuled ultramarine pigment are discussed. By means of treating the pictures of SEM of pigment particles with a computer, a new method of evaluating fractal dime...

通过对群青粒子扫描电镜图象进行计算机处理，建立了一种新的表面分形维数的求取方法，并用分形维数表征群青颜料粒子的表面形貌及其耐酸性

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了