“Descartes' rule of signs”的概念、定义、翻译、参考文献-科学参考

单词	Descartes' rule of signs
释义	Descartes' rule of signs [dā`kärts `rül ǝv `sīnz] ^MATHEMATICS A polynomial with real coefficients has at most k real positive roots, where k is the number of sign changes in the polynomial.
随便看	tensile test tensimeter tensiometer method tensiometry tension tension crack tension device tension fault tension fracture tension jack tension joint tension member tension packer tension pulley tension rod tension-type hanger tension wood tensometer tensor tensor analysis tensor calculus tensor contraction tensor differentiation tensor field tensor force

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。