nonnegative integral form

例句：

1. 1.The equation has a nonnegative integral solution.
   这个方程有一个非负整数解。
2. 2. Thefunction is defined on the nonnegative integralinterval.
   这个函数在非负整数区间上定义。
3. 3. The problem can be solved usingthe nonnegative integral form of the equation.
   这个问题可以通过方程的非负整数形式来解决。