例句與造句

1. The two sources of error in finite difference methods are round-off error, the loss of precision due to computer rounding of decimal quantities, and truncation error or discretization error, the difference between the exact solution of the original differential equation and the exact quantity assuming perfect arithmetic ( that is, assuming no round-off ).
2. It's difficult to find computer rounding in a sentence. 用computer rounding造句挺難的