Is there research ongoing to evaluate the relative effectiveness of alternative preservatives to thiomersal?
有没有正在进行的评估硫柳汞替代性防腐剂相对有效性的研究？
DEA method is an effective method for evaluating the relative effectiveness of decision making problem with multi inputs and outputs.
数据包络分析通过分析生产决策单元的投入与产出数据，评价多输入、多输出决策单元之间的相对有效性。
The operator needed a method to determine the relative effectiveness of treatment across the wellbore and the impact of diversion on stimulation performance.
作业者需要一个方法能够判别沿整个井眼的增产措施效果和使用了转向技术增产措施的具体效果。
The operator needed a method to determine the relative effectiveness of treatment across the wellbore and the impact of diversion on stimulation performance.
作业者需要一个方法能够判别沿整个井眼的增产措施效果和使用了转向技术增产措施的具体效果。
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