Moreover most real project optimization questions are the multi-objectives optimization problems with more then one targets between which there exist conflicts mutually.
而且实际的工程优化问题中大多数是多目标优化问题，各子目标之间一般都存在互相冲突的现象。
Calculation results indicated that the multi-objectives optimization method and application software were helpful to raise the level of distribution network reactive power flow optimization.
计算结果表明，这种多目标无功优化方法及应用软件有利于提高配电网的无功优化水平。
Meanwhile, based upon fuzzy preference, a multi-objective optimization model was established, by which the decision maker can decide the weights of different objectives.
同时基于模糊偏好关系来确定各指标的权重，由此建立多目标优化模型。
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