零;
Do you see the sign for air u.s.seven zero seven?
你看到美国航空公司七零七次的标志了吗?
Use a negative sign to show that the value is less than zero.
用负号表示数值小于零.
The clumsy Roman numerals were ousted by the Arabic figures we use to this day, and the zero sign was first employed.
形状笨拙的罗马数字被我们一直沿用至今的阿拉伯数字所替代,并且第一次使用了零的符号。
A square sign pattern matrix that does not have a zero row or zero column is sign potentially orthogonal ( SPO) if every pair of rows and every pair of columns allow orthogonality.
一个没有零行或零列的n阶符号模式矩阵是符号蕴含正交的,若每一对行和列向量都是蕴含正交的。
瑞鸿网 · 双语娱乐资讯
瑞鸿网 · 高考英语
瑞鸿网 · 外贸英语