rationalistn.纯理论者；理性主义者rationaladj.合理的；理性的；能推理的n.有理数rational conflict理性冲突rational sampling定量取样rational spectrum有理谱rational learning理解学习rational customer理性顾客rational position理性定位rational sequence有理序列rational decision理性决策rational relation合理关系Rational planning合理规划