英语词汇characteristic class怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

characteristic class

释义

characteristic class

简明释义

特征类：在数学中，特征类是将X的每个主丛与X的上同调类相关联的一种方式。上同调类衡量了丛的“扭曲”程度以及是否具有截面。特征类是全局不变量，衡量了局部乘积结构与全局乘积结构之间的偏差。它们是代数拓扑学、微分几何学和代数几何学中统一的几何概念之一。

网络释义

1
[数]?示性类
事实上陈省身教授在Euler示性数以及更广义的所谓示性类(characteristic class)方面的工作即现在所谓的陈类(Chern class)的光辉成就，在这时已经逐渐孕育和形成了。

短语

1
arithmetic characteristic class
算术的特性类
2
Characteristic Class Arrangement
课程安排 ; 丰富多彩的课程安排
3
characteristic class of a manifold
流形的示性类

双语例句

1
Usually, an income of that size requires regular, formal employment, with a salary and some benefits, that is, a steady job-another key middle-class characteristic.
通常，那种水平的收入需要一个固定正式的职业，有工资和保险，即一份稳定的工作——这是中产阶级的另一个关键特点。
2
According to the characteristic of current information technology class, this paper analyzes several attributes of game CAI, generalizes its main characteristic and describes them in detail.
本文根据当前信息技术课堂的特点，分析了游戏式CAI所应具有的属性，归纳其主要特征并对其进行了详细描述。
3
No matter be to be in Beijing or Shanghai, the characteristic with common place of top class meeting depends on, client group be confined to is located in "pyramid is pointed" crowd.
无论是在北京还是上海，顶级会所共同的特征就在于，客户群体只限于位于“金字塔尖”的人群。

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单词	characteristic class
释义	characteristic class 简明释义特征类：在数学中，特征类是将X的每个主丛与X的上同调类相关联的一种方式。上同调类衡量了丛的“扭曲”程度以及是否具有截面。特征类是全局不变量，衡量了局部乘积结构与全局乘积结构之间的偏差。它们是代数拓扑学、微分几何学和代数几何学中统一的几何概念之一。网络释义 1 [数]?示性类事实上陈省身教授在Euler示性数以及更广义的所谓示性类(characteristic class)方面的工作即现在所谓的陈类(Chern class)的光辉成就，在这时已经逐渐孕育和形成了。短语 1 arithmetic characteristic class 算术的特性类 2 Characteristic Class Arrangement 课程安排 ; 丰富多彩的课程安排 3 characteristic class of a manifold 流形的示性类双语例句 1 Usually, an income of that size requires regular, formal employment, with a salary and some benefits, that is, a steady job-another key middle-class characteristic. 通常，那种水平的收入需要一个固定正式的职业，有工资和保险，即一份稳定的工作——这是中产阶级的另一个关键特点。 2 According to the characteristic of current information technology class, this paper analyzes several attributes of game CAI, generalizes its main characteristic and describes them in detail. 本文根据当前信息技术课堂的特点，分析了游戏式CAI所应具有的属性，归纳其主要特征并对其进行了详细描述。 3 No matter be to be in Beijing or Shanghai, the characteristic with common place of top class meeting depends on, client group be confined to is located in "pyramid is pointed" crowd. 无论是在北京还是上海，顶级会所共同的特征就在于，客户群体只限于位于“金字塔尖”的人群。
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