“de Gua's rule”的概念、定义、翻译、参考文献-科学参考

单词	de Gua's rule
释义	de Gua's rule [dǝ`gwäz ´rül] ^MATHEMATICS The rule that if, in a polynomial equation f (x ) = 0, a group of r consecutive terms is missing, then the equation has at least r imaginary roots if r is even, or the equation has at least r + 1 or r - 1 imaginary roots if r is odd (depending on whether the terms immediately preceding and following the group have like or unlike signs).
随便看	acoustic spectrometer acoustic spectrum acoustic stiffness acoustic stiffness reactance acoustic strain gage acoustic streaming acoustic survey acoustic theodolite acoustic theory acoustic tile acoustic tomography acoustic torpedo acoustic transducer acoustic transformer acoustic transmission acoustic transmission coefficient acoustic transmissivity acoustic transponder acoustic treatment acoustic velocity acoustic wave acoustic-wave amplifier acoustic well logging acoustoelectric amplifier acoustoelectric effect

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。