For 3 components Becker mixture model I with process variables E optimal orthogonal block design was considered of parameters ' estimation and the optimal design was given while mixtures components containing low bound .

对于含 过程变量的3分量 Becker 齐 次混料模型，给出了其参数估计 E-最优区组设计，并且给出了当混料分量含有下界约束的E-最优正交区组设计。

D optimal Design of the Simplified Becker Model (ⅲ) With Process Variable

含有 过程变量简化 Becker模型（Ⅲ）的D-最优设计

For the 3-component Becker mixture models (ⅰ) and (ⅱ) with process variables this paper considered the A-optimal orthogonal block designs to parameter estimation .

对于含 过程变量的三分量 Becker混料模型（Ⅰ）和（Ⅱ），给出了参数估计的A－最优正交区组设计。

Becker wants greater automation of the process with more states allowing voters to register by Internet .

贝克希望投票 过程能实现更多自动化，（希望）更多州能允许选民通过互联网登记。