无: not have; there is not; be w ...界: boundary函数: function的: 4次方是 The fourth power of 2 i ...反常: unusual; abnormal; perverse; ...积分: integral; integrate; integra ...无穷限的反常积分: improper integral on an infinite interval无界函数: unbounded function; unlimited function反常积分: improper integral; improper intergral放射无界函数: radially unbounded function径向无界函数: radially unbounded function反常积分发散: the improper integral is divergent反常积分收敛: the improper integral is convergent反常积分, 广义积分: improper integral第一种反常积分: improper integral of the first kind; infinite integral多重反常积分, 多重广义积分: improper multiple integral函数的积分: integral of a function非正常积分: improper integral正常积分: proper integral边界函数: boundary function殆有界函数: almost bounded function拟有界函数: quasi bounded function有界函数: bounded function; limited function有界函数论: theory of bounded function立方正割函数的积分: integral of secant cubed