请输入您要查询的英文单词:

 

单词 del
释义 del
I. \ˈdel\ noun
(-s)
Etymology: short for delta; from its being symbolized by an inverted Greek delta
: an operator upon a function of three variables (as x, y, and z) interpreted as coordinates in a right-handed rectangular system for obtaining the partial derivatives of the function, for multiplying these derivatives by the unit vectors (as I, J, K) along the axes, and for adding the results
 < the vector differential operator (read del) is defined by ∇ = I∂/∂x + J∂/∂y + K∂/∂z — Leigh Page >
— symbol ∇
II. abbreviation
1. delegate
2. delete
3. [Latin delineavit] he drew
4. deliver
随便看

 

英语词典包含332784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:2025/3/10 10:59:59