double word length arithmetic 双字长运算
single length arithmetic 单字长运算
double length arithmetic [计] 双字长运算
multiple length arithmetic 多倍长算术 ; 多倍字长运算
multiple-length arithmetic [计] 多倍字长运算 ; 多倍长运算
finite-word length arithmetic 有限字长算术
fixed-point double word-length arithmetic 定点双字长运算
multi-length arithmetic 多倍长度运算
double-length arithmetic operation 双倍长运算操作
double-word-length fixed-point arithmetic 双倍字长定点算术运算
It runs on a variety of computer systems and is especially good at arithmetic involving arbitrary-length integers and fractions, graphics, and matrix and polynomial algebra.
它在各种各样的计算机系统上运行，尤其擅长于涉及任意长度整数和小数、图、矩阵和多项式代数的算术。
Then you measure the length of the skyscraper's shadow, and thereafter it is a simple matter of proportional arithmetic to work out the height of the skyscraper.
然后测量摩天大楼影子的长度，之后就很简单了，按比例计算出摩天大楼的高度就可以了。
Numerical unstability of FTF algorithm becomes conspicuous especially when the algorithm is implemented by the finite-word-length fixed-point arithmetic.
但是FTF算法具有众所周知的数值性能不稳定性，该问题在用有限字长定点实现时变得尤为明显。
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