而电压表的读数则是所有这些源的代数和。
The third type im-proper integral can be written as the algebraic sum of the first and second type integrals.第三类广义积分都可以写成第一类与第二类广义积分的代数和。
The algebraic sum of the product of any point on a closed curve and the distance from this point's normal line to a fix point is zero.任意闭合曲线上的点与该点法线到某定点距离的乘积,其代数和为零。