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。
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.
发现它们有一个共同点就是如何把状态方程a、B矩阵线性化，再利用线性最优控制理论求出最优控制规律。
A common ground was found: to linearize the matrix of a? B in the state equation in different ways and seek for the optional control laws through linear optimal control theory.
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