symmetric的例句大全

He also obtained similarity solutions for longitudinal and spherically symmetric motions.

他也得出了关于纵向对称运动和球面对称运动的类似解.

Many acoustic drivers are substantially symmetric about the axis of motion 22.

很多声学驱动器围绕运动轴线22基本对称.

Tensors of this kind are called antimetric or skew-symmetric.

这类张量叫做反对称张量或斜对称张量.

The systems of equations obtained in most practical problems are not only symmetric but also banded.

我们在大部分实际问题中得到的方程组不仅是对称的而且还是带状的.

It mainly includes symmetric encryption algorithms and asymmetric cryptographic algorithms and protocols.

密码技术主要包括对称密码算法和非对称密码算法及协议.

A central force is one derived from a potential-energy function that is spherically symmetric.

中心力是由球对称的势能函数而来的力.

A spherically symmetric structure of the earth has been assumed.

人们把地球的构造假设为球状对称.

And generate Rs reflexive closure, symmetric closure and transitive closure.

并且生成R的自反闭包 、 对称闭包和传递闭包.

This matrix is symmetric and banded , the band being equal to four.

这个矩阵是对称的且是带状的, 带宽等于四.

In reality, helical springs symmetric pitch near both ends.

实际上弹簧两端螺旋角逐渐变小.

Particles, such as pi-mesons, requiring symmetric wave functions are called bosons.

要求对称波函数的粒子, 如兀介了, 叫做玻色子.

The rather messy expression in the brackets can be written in a symmetric form.

中括号中这个相当凌乱的表达式可以写成对称形式.

Here he inaugurated the spectral theory of bilinear symmetric forms.

在这里他开创了双线性对称形式的光谱理论.

After each reduction, the remaining equations remain symmetric and banded.

在每次约化后, 余下的方程是保持对称和带状的.

The transforms of disks and rings and the like will obviously be circularly symmetric.

圆盘和圆环等的变换式显然将是圆形对称的.

Monte Carlo simulation study on the symmetric diblock copolymer self-assembly under cylindrical confinement.

使用Monte Carlo方法模拟研究对称的二嵌段共聚物在纳米圆孔内的自组装相行为。

This paper presents two kinds of improved preconditioned conjugate gradient method for solution of large sparse symmetric ill-conditioned linear equations in 3D eddy current field analysis.

本文针对三维涡流场问题分析中所形成的大型稀疏对称病态线性代数方程组，提出了两种改进型预处理共轭梯度法。

RESULTS: The binomial equation of the influencing factors and the optimized formula of roxatidine sustained-release tablet were available through spherical symmetric design, and the experimental result was in line with the predicted data.

结果采用球面对称设计法，可得到影响因素的二项式方程和优化处方，且试验值与预测值非常接近。

To solve axially symmetrical electrostatic field, the method of cylindrical function expansion is presented. The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived, some examples are given.

提出了求解轴对称静电场的柱函数展开法，推导出用对称轴上的电势分布表示空间电势分布的级数展开式，并给出了求解轴对称静电场的例子。

Due to the frontal barocline, its temperature field structure evolved from symmetric warm center to asymmetric half cold and half warm extratropical cyclone. And the winds field also has such asymmetric structure.

由于锋面的斜压作用其温度场结构发生了明显变化，由对称的暖心结构演变为半暖半冷的温带气旋非对称结构，相对应的高度场、流场特征亦表现出非对称结构。