查询词典 constructive ordinal number

The paper draws linear unusual differential equation a_0y~(n+a_1y~(n-1+…+a_(n-1)y′+α_ny=∑mi=0k_iδ~(i from the practical problems in the engineering field of electronic technology,circuit analysis,mechanics of materials,mechanical design and civil architecture,discusses the dependence of the solution of the equation on that of homogeneous,gives the algorithm of the equation,and draws the general algorithm of semi-odd number rank unusual Bessel differential equation.

在电子技术、电路分析、材料力学、机械设计和土木建筑等工程技术领域中，常会遇到一类非齐次项为奇异函数的广义线性微分方程，本文给出这类奇异微分方程的解对齐次解的依赖性，从而得出这类奇异微分方程的解法，求出了半奇数阶奇异Bessel微分方程的通解。如下列应用问题中的微分方

This method was based on rotation formula of the current magnetic field and the magnetic fields can be expressed by a double integration about spatial radial coordinate and spatial wave number of Bessel function.

由电流磁场的旋度公式出发，推导了多层介质中点电流源磁场的表达式，其为一个关于空间径向坐标和贝塞尔函数空间波数的二重积分。

ANN can make the best approximation of the actual problems through a large number of learning and training.

人工神经网络方法通过大量的样本学习和训练，能够对实际问题进行最佳逼近。

There are a number of bestselling downshifting self-help books for people who want to simplify their lives

对于那些想过简单生活的人来说，有许多很畅销的帮你轻松生活的自助书籍。

The process of beta decay increases or decreases the positive charge of the original nucleus by one unit without changing the mass number.

衰变过程使母核增加或减少一个单位的正电荷而不改变它的质量数。

Our initial beta test will have a limited number of spaces, but if you don't get in the first time around, you're not out of the race.

我们最初的测试版将有一个有限的空间，但如果你没有在第一时间解决，你就不会退出了比赛。

Such plant foods contain a large number of compounds that can boost immunity , including vitamin C and beta-carotene .

这种植物性食品中含有大量的化合物可以增加免疫力，其中包括维生素C和

Proper measures must betaken to limit the number of foreign tourists and the great effortsshould be made to protect local environment and history from theharmful effects of international tourism.

应该采取适当的措施限制外国旅游者的数量，努力保护当地环境和历史不受国际旅游业的不利影响。

But we still need a great number of doctors like Dr. Bethune.

但是我们仍然需要大量白求恩式的医生。

In chapter 2 we use harmonic 1-forms and discuss the relationship between an almost nonnegatively Ricci curved n-manifold with the first Betti number equal to n and a flat n-torus.

在第二章中我们利用调和1-形式研究了第一贝蒂数等于n且Ricci曲率几乎非负的n维黎曼流形和n维平坦环面之间的关系。

No complex distressful things on your mind but only our love and care for each other.

无复杂痛苦的事情，对你的心，但只有我们的爱和照顾对方。

At first light, on his own initiative, Vick located the enemy emplacements andfired on them, using 15 rounds.

破晓时分，维克主动地去查找敌军的炮位并向它们开火，打了15发弹药。