本文主要介绍试验设计中最优设计和混料设计的概念及方法。

In this paper, the Concept and method of the optimal design and the mixture designs are introduced.

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按混料均匀设计方法配制不同总盐水平、不同颗粒级配的人工土样，通过界限含水率试验测定土的稠度界限。

In this experiment, the different total salt level, different grain gradation artificial sample were compounded by use of the mixture of average design method to determine earth consistency limit.

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本文着重研究了混料试验的D—最优对称设计。

In this paper, the D-optimal symmetry designs for mixture experiments is discussed.

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