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。
Singular distributed parameter systems is a system which is broader than distributed parameter systems, it appears in the study of the temperature distribution in a composite heat conductor, etc.
广义分布参数系统是比分布参数系统更广的一类系统，在研究复合材料热导体中的温度分布等问题时会出现这样的系统。
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