unit matrix

The paper uses the objectives/ alternatives matrix to compare the implementation effects of five alternatives of solid waste fee ( flat-fee, unit pricing, independent collection, collection attached to public utilities system and retail additional fee).

本文采用目标/备选方案矩阵这一工具，比较了五种垃圾收费方案（定额收费、从量收费、独立收费、附征于公用事业收费系统及商品零售附加费）的实施效果。

Programmable switch matrix is the key unit in computer aided test ( CAT ) system.

可编程开关阵列是计算机辅助测试 ( CAT ) 系统的关键部件.

The optical storage process consists of information coding, grating unit matrix building and decoding.

这种光存储包含信息编码 、 光栅元阵列形成及解码过程.