由一组观察者采用灰标法判断以16组不同参数显示的色样对的色差，获取了大量的观察数据。
A large number of visual data were obtained by a set of observers assessing colour-differences of sample pairs presented under 16 groups of parameters with grey-scale method.
利用灰关联分析实现了地震属性的敏感性分析，并建立了储层参数与属性之间的灰色关联。
Using Grey association analysis realized the sensibility analysis of seismic attributes and built up Grey association between the reservoir parameters and attributes.
混凝土架构设计理论的实质，是通过架浆比、单位用水量以及砂灰比偏离三个参数推求单位水泥用量的过程。
The essence of concrete framework theory is to deduce the cement dosage of unit volume concrete from frame-mortar ratio, unit water dosage and deviated function of cement-sand ratio.
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