We began our usual footprint-reduction procedure: set up the test environment, specify a reproducible test, fire up the profiler, run the test, analyze the data, and look for tuning opportunities.

我们开始了通常的内存占用缩减过程：建立测试环境、规定可再现的测试、启动剖析程序、运行测试、分析数据、查找调优的机会。

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The system mainly consist of four modules: the factor collect reduction based on rough set, multiple linear regression, BP net training and BP net test.

本文还设计了一个标准收入测算系统，该系统主要包括利用粗集理论对因素集进行约简、多元回归分析、BP网络训练和BP网络测试四个测算模块。

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Based on the model, this paper presents a testing requirement reduction method to generate the reduced testing requirement set, which is the basis of test suite generation, reduction and optimization.

基于此模型，提出一种测试需求约简方法，可以获得精简测试需求集，作为测试用例集生成和约简的基础，从而实现测试用例集优化。

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