象任何计算机软件一样，作为一个组的守护程序软件会经历各种各样实现。

Like any computer software, daemon software as a group suffers from a wide variety of implementations.

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利用计算机软件构建了试题库，可随意按章节、难度、题型等随机定量组题，可以对试题库的试题进行增、删、改操作。

Using computer software build up test questions store. Unbending compounding examination paper by chapter, section, difficulty and type. It can increase and bowdlerize test question.

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