■ adjective
1》 most fundamental; primary.
2》 denoting mathematical equations involving only the first power of the independent variable or only the first derivative of a function.
■ adjective
1》 most fundamental; primary.
2》 denoting mathematical equations involving only the first power of the independent variable or only the first derivative of a function.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004