While in two year before the crisis, the model composed by AZ, BC and BB (current liability coverage ratio by the operational cash) shows an errordifferentiation ratio at 14.52%.
在危机发生前两年，由AZ、BB（流动负债经营现金保障系数）、BC三项指标构成的模型误判率为14.52%。
After research on the fractionation of softwood BC TMP pulp fiber by a cylindrical hydrocyclones, a new knowledge of the relationship between split ratio and flow field in hydrocyclones was gained.
通过用柱形水力旋流器对漂白化学热磨机械浆进行筛分的实验，获得了分流与流场相互关系的新认识。
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