A question of formation confidence interval for scale parameter of normal distribution from incomplete observational data is discussed.
对于残缺的样本观测数据，讨论了正态分布总体尺度参数的区间估计问题。
Viscosity is a general parameter reflecting the molecular weight, molecular weight distribution, and polymer solution concentration of acrylic fiber.
粘度是反映腈纶分子质量、分子质量分布和聚合物浓度的一项综合参数。
Decision maker can easily make a choice between convergence and distribution of solutions by adjusting a parameter in PMOEA.
该算法可以通过参数的调节，让决策者在解的收敛性和分布性之间作折衷选择。
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