Rational ClearCase Explorer has stopped working 怎么办?

Rational ClearCase Explorer has stopped working 怎么办? rational approach rational rotation rational什么意思? rational的意思 rational calculations什么意思 semi-rational 是什么意思 rational expression是什么意思? rational expression是什么意思 Rational Rose是什么? rational-argument是什么意思 rational function是什么意思呢~ rational perspective是什么意思 rational perspective是什么意思 rational rose 有何特点 rational和reasonable的区别? Let g be the function defined on the set of all real numbers by(继续) g(x)=1 if x is rational and g(x)=e^x if x is irrational.Then the set of numbers at which g is continuous is(a)the empty set(b){0}(c){1}(d)the set of rational numbers (e)the set o 什么是rational decision,英文定义是什么?