The application of PSD in two dimension position measurement is introduced.
并介绍了PSD在二维定位测量中的应用；
To reduce cost of the two dimension position system, a method using linear array charge coupled device (CCD) was proposed.
为了降低二维位置定位系统的成本，提出了一种基于线阵列电荷耦合器件(CCD)的测量方法。
The optimization model contains two kinds of designing variables: geometric position variable and geometric dimension variable.
其优化模型包含两类设计变量：几何位置变量和几何尺寸变量。
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