查询词典 mathematical

Mathematical explanation can often contain all means, of course, we live in peacetime the most common explanation is: frequency units is a process repeated time the number of equivalent units divided by the cycle time.

数学的解释往往能包含所有的意思，当然我们平时生活中最通俗的解释是：频率是单位时间内重复一个过程的次数，等于单位时间除以周期。

Both the mathematical mode of noise equivalent temperature difference and the noise equivalent eradiation difference are established for micro thermal imaging systems.

研究了显微热成像系统的噪声等效温差和噪声等效辐射率差模型，分析了显微热成像与望远模式热成像的差异。

Micro thermal imaging ; noise equivalent temperature difference ; mathematical model ; noise equivalent eradiation difference

显微热成像；噪声等效温差；数学模型；噪声等效辐射率差

Numerical explorations of Henon, Lorenz and others, Mathematical works of Sinai, Bunimovich and Szasz, contributed to the development of modern ergodic theory and chaotic dynamics.

Henon、Lorenz等的数值探索、Sinai、Bunimovich、Szasz等的数学理论工作对现代遍历理论和混沌的研究起了很大的作用。

Of course, the mathematical proof of ergodicity, even in a hard ball system with only few degrees of freedom, is still a difficult task.

当然，即使对具有很少自由度的硬球系统，遍历性的数学证明也仍然是一件非常困难的工作。

Also the problems of stochastic controllability, observability and stability of the filter are studied, a simple observability criterion for the time-invariant systems is set up, error band of the filtering is given theoretically, and the filtering stability results are proved under more general conditions; besides, the filtering error caused by uncorrect mathematical models is analysed.

本文还研究了随机能控能观性及滤波的稳定性问题，建立了结构简单的平稳定常系统的能观性判据，在理论上给出了滤波算法的误差范围，在更一般的条件下证明了最优滤波算法的稳定性；并从理论上分析了模型误差对滤波产生的影响。

A kind of message delay mathematical model was set up and extended under nomal and error condition.

并针对总线正常和总线错误两种状态，建立了报文延迟时间的数学模型。

On the basis of measured data processing,error analysis,curve modeling and object modeling,it establishes the mathematical modeling of the screw parts of single screw compressors.

在测量数据处理、误差分析和曲线曲面造型、实体造型技术的基础上，建立了单螺杆空气压缩机螺杆零件的数学模型。

On the basis of the permanent magnet linear motor servo system nonlinear mathematical model, an error system dynamic equation is set up in order to reach accurate track of the motor speed and current.

在永磁直线伺服系统非线性数学模型的基础上，为实现对速度和电流的准确跟踪，建立了误差系统的动态模型。

In some important cases, if the experiment is repeated many times, the variations in the results are found to be distributed according to a particular mathematical law –the normal error law.

在一些重要的情形中，如果多次重复一个实验，会发现其结果的变化按照某个特定的数学法则——正态误差法则分布。

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。