请输入您要查询的英文单词:

 

单词 null system
释义

> as lemmas

null system
null system n. Mechanics and Geometry a system of null points and their corresponding null planes.
ΚΠ
1902 Amer. Math. Monthly 9 187 Finally the following three papers:..‘Null systems in space of five dimensions’, by Professor John Eisland, Theil College.
1911 Encycl. Brit. XVII. 967/1 In the ‘Null-System’ of A. F. Möbius (1790–1868), a line such that the moment of a given wrench about it is zero is called a null-line.
1964 C. E. Springer Geom. & Anal. Projective Spaces x. 273 In a polar correlation with a skew-symmetric matrix, every point is incident with its corresponding plane. This type of correlation is called a null system, a designation used in the theory of statics as developed by Möbius.
extracted from nulladj.
<
as lemmas
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/20 20:36:13