运用成本—效益分析法，模拟了不同条件下的矿区生产从开工到结束的各个子系统的活动状况。
The activities of each system are simulated and analyzed from starting to finish by way of cost-benefit analysis under different conditions.
采用文献资料法和逻辑分析法，剖析社会各阶层体育休闲活动的特征。
Using the methods of literature study and logical analysis, the features of sports leisure activities in different social strata were analyzed.
本文将价值链分析法用于数字图书馆中，通过构建价值链，对数字图书馆的内部活动和行业活动进行分析。
Using the method of value chain analysis, this paper analyzed the internal activities and the industrial activities of digital library by constructing value chain.
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