1)once,ad.一次，曾经 conj.一(旦)…就… n.一次2)year,n.年，年度，学年 a./ad.每年，一年一次3)I was absent once or twice.,我曾缺席一两次。4)Never Been Humiliated Once,不曾屈辱过一次5)general polynomial,一元n次方程6)n-times general linear group,n次一般线性群
用法例句
The algorithm for determining all roots of general polynomials;