rationallsm理性rationaladj.合理的；理性的；能推理的n.有理数rational approximation有理近似rational reconsidering理性反思rational numbers field有理数域rational cubic splines有理三次样条函数rationalistic strategy应变谋略rationalfunction model有理函数模型rationalization cartel合理化卡特尔rational Bezier curves有理Bezier曲线Rational fertilization合肥施肥rational number system有理数系