| 单词 | second moment |
| 释义 | > as lemmassecond moment second moment n. Mathematics (see quot. a1879). ΚΠ a1879 W. K. Clifford Elem. Dynamic iv. (1887) 15 If the density of an area is proportional to the distance from a line in its plane, being reckoned positive on one side of the line and negative on the other,..the mass-centre of the area..is called the pole of the line in regard to the area; and the moment of it in regard to the line is called the second moment of the uniform area in regard to the line, or of the line in regard to the uniform area. < 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。