| 释义 |
四舍五入sì shě wǔ rù运算时取近似值的一种方法。如被舍去部分的头一位数满五,就在所取数的末位加一,不满五的就舍去,如1.3785只取两位小数是1.38,1.2434只取两位小数是1.24。{round up or down; round off; method of obtaining approximate value when calculating by disregarding decimal fractions smaller than 0.5 and counting all others, including 0.5 as 1; For instance, 1.3785 is taken as 1.38, and 1.2434 as 1.24.} |