1) infinitesimal isometry
无穷小等距
1.
On the Characterizations of Hyper Spheres and Infinitesimal Isometry of Surfaces;
超球面的特征及曲面无穷小等距
2.
In this paper,the conception of infinitesimal isometry of the hypersurfaces in E5 is introduced,we try to discuss characteristics of infinitersimal isometry of the hypersurfaces in E5.
该文对E5中的超曲面首次引入无穷小等距的概念,探讨了E5中的超曲面的无穷小等距的有关特征,推出了一些新的结果。
2) infinitesimal Φrisometry
无穷小Φ_r-等距
1.
The infinitesimal Φrisometry of surfaces in E3;
E~3中曲面的无穷小Φ_r-等距
3) equivalent infinitesimal
等价无穷小
1.
Several Notes on Equivalent Infinitesimal;
关于等价无穷小的若干注记
2.
Calculating function limit by the equivalent infinitesimal;
利用等价无穷小计算函数极限
3.
Some Special Equivalent Infinitesimal
几种特殊形式的等价无穷小代换
4) infinitesimal equivalence
等价无穷小
1.
This paper is mainly about recognizing convergence with the methods of infinitesimal equivalence in the limit form of convergence criterion in series of positive terms .
文章着重介绍了在正项级数比较审敛法的极限形式中,用等价无穷小的方法来判别正项级数的敛散性。
2.
Apart from three theorems, this paper introduces the application of equivalence class to infinitesimal equivalence analysis by means of the knowledge of abstract algebra.
利用抽象代数学中的基本知识介绍了等价类在等价无穷小分析中的应用并给出了三个定
5) equivalence infinitesimal
等价无穷小
1.
This paper iceustrates the adoptability of how to get the limit value by the replace of equivalence infinitesimal It also makes further analysis to the principle of equivalence replac
本文举例说明用等价无穷小替换求极限的适用性 ,并对等价替换的原则作了进一步分
6) class equivalent infinitesimal
类等价无穷小
补充资料:等距抽样
分子式:
CAS号:
性质:又称系统抽样或机械抽样。将总体中各样品按某标志顺序(如按时间顺序、地区顺序或其他人为的顺序)排列,然后依照固定顺序或间隔来抽样,比方说先由头k个单位中抽一个单位样本,以后每隔k个单位抽取一个单位样本等。等距抽样的优点。能保证样本单位在总体中均匀地分布,抽样方法简便,易于实施。
CAS号:
性质:又称系统抽样或机械抽样。将总体中各样品按某标志顺序(如按时间顺序、地区顺序或其他人为的顺序)排列,然后依照固定顺序或间隔来抽样,比方说先由头k个单位中抽一个单位样本,以后每隔k个单位抽取一个单位样本等。等距抽样的优点。能保证样本单位在总体中均匀地分布,抽样方法简便,易于实施。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条