查询词典 mathematical notation

The theory of quantum logic, which has developed during the course of the mathematical axiomatization of the quantum theory, is copious, with a history of 80 years.

量子逻辑是伴随着量子理论的数学公理化而发展起来的一种理论，有着80年的历史和丰富的内容。

When we teaches the Theory of Probability and Statistics, we must pay attention to the teaching of typical mathematical thinking, such as axiomatization thinking, matrix thinking, convergence according to probability, statistical deduction and so on.

在讲授《概率统计》时，要注重公理化思想、模型思想、依概率收敛、统计推断等典型思想方法的教学。

Applying the law of conservation of mass,movement theorem of steady flow , and applying the mathematical method of stream function with the consideration of the axis symmetry,the three components of velocity quantum of the flow are deduced in detail.

本文详细阐述了旋风分离器内流动在球坐标系中的数学表述和结果，应用质量守恒定律和定常流动的运动定律，在轴对称的考虑下，用流函数方法详尽推导了流动的三个速度分量。

A mathematical model of axisymmetric compression of semi-solid alloy slurry was described.

描述了一种轴向挤压的半固态合金浆料的数学模型。

The range and azimuth processing have the same mathematical modal, but have the different physical characteristics and meaning.

故距离成像及方位成像处理程序有相同的数学模型，却有截然不同的物理特徵及意义。

Improvement of MT migration tomography technology Based on the immanent relationship between tomography purpose and suitable frequency segment selection, we raise an entire frequency segment multi-parameter tomography scheme of MT finite difference migration. We establish a mathematical relationship among apparent electromagnetism reflectance, migration reflectance, background resistivity and the true resistivity distribution. After the introduction of TE/TM mode superpose rate, we carry out the associated resistivity tomography of two polarization mode to adapt the practical data interpolating situation.

大地电磁偏移成像的改进：针对频段选择和成像效果的内在关系，提出全频段、多参数有限差分偏移的解决方案；构建视反射系数、偏移反射系数、背景电阻率与实际电阻率分布的数学关系实现偏移电阻率成像；同时引入TE、TM模式加权因子以实现两个模式的联合偏移电阻率成像，更好的适应解释工作需要。

With the development of computer technology, mathematical simulation is an important way in studying the interior ballistics of guns now.

随着计算机技术的发展，数学仿真已成为研究火炮内弹道的重要手段。

The Barbour＇s mathematical model can be used to roughly predict and evaluate the effects of schistosomiasis control measures.

借助Barbour 血吸虫病传播数学模型能够粗略地评价和比较控制措施的效应。

As described in this paper, basing on the stress concentration factor and the equations given by Craeger and Barnby, a mathematical expression Ni=B(1/2π/2⊿σ_~m is derived for calculating the initiation life of fatigue cracks for the externally short notches on the fitted axles caused by the application of bending stresses.

本文根据Craeger公式、Barnby公式及缺口应力集中系数，导出了浅缺口在弯曲应力作用下的疲劳裂纹萌生寿命的表达式：。

This thesis has established the mathematical model of n-phase PMSM after thorough analysis of PMSM structure and running mode, and then put forward the vector transform method, which is as the base of vector control.

建立完善的多相化永磁同步电动机及控制系统的数学模型和分析方法是系统研究和实现的重要技术保证。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。