对于美国棋布星罗的智囊机构而言，这是“美国例外论”大行其道的一周。
IT is exceptionalism week in the world of American think-tanks.
方法：紫外分光光度法测定氟罗沙星注射液含量，用初均速法预测其有效期。
Methods: the content of fleroxacin injection was determined by UV spectrophotometry, the expiry term was predicted by initial average rate methods.
目的：考察氟罗沙星注射液的稳定性，并预测其室温贮存有效期。
Objective: to study stability of fleroxacin injection at room temperature as to predict its expiry term.
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