test optimum design 试验优化设计
The optimum test design is obtained to minimize variance of least square estimation of the mean life at a normal stress level.
这里的最优准则是指正常应力水平下产品对数平均寿命估计的方差的极小化。
The test adopted the optimum test design of 4 factors, probed into the source and sink characteristic of the high yield maize and relation with yield in cold region.
试验采用4因素最优试验设计，探讨寒地高产玉米的源库特点及其与产量的关系。
The optimum preparation conditions were selected with orthogonal design combined with multi-index test.
通过正交实验结合多指标综合评价法优选最佳制备工艺。
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