improper phase integral广义相积分
improper multiple integral[数] 多重反常积分
improper surface integral广义曲面积分的
improper r integral广义积分;瑕积分;非正常积分
improper double integral反常二重积分
improper Riemann integral非正常黎曼积分
convergence of improper integral广义积分收敛
fuzzy improper integralfuzzy广义积分
parameter improper integral关键词含参变量积分
N（名词） a definite integral having one or both limits infinite or having an integrand that becomes infinite within the limits of integration 反常积分