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1·This binary division has fostered an us-and-them attitude that gets in the way of agreement and forces together countries that have little in common.

这种二元论的分野助长了一种我方-你方阵线分明的态度， 妨碍了谈判缔约， 强迫了一些几乎无共同之处的国家结盟。

2·This paper presents an algorithm for thinning binary line drawing images based on pixel division.

本文提出一种基于象素划分的两值线图图象的细化算法。

3·Only the four usual binary arithmetic operations (addition, subtraction, multiplication and division) are allowed.

只能使用四个二元算术运算符(加、减、乘、除)。