But it is still the major cause of slowness in using operation research.
然而，这仍是作业研究应用缓慢的主要原因。
In nature, operation research or management science is still 'an artificial science '.
本质上，管理运筹学仍然是一种人为科学。
The factors which effect the production capacity of mine are summarized by system analysis methods and theories such as fuzzy, operation research and mathematics statistics.
本文运用模糊数学、运筹学原理及数理统计方法，总结了影响矿井生产能力的因素，并对矿井地质条件进行了量化描述和模糊综合评判。
Layout problem is an important offshoot of Operation Research; it belongs to complex combinatorial optimization problem.
布局问题是运筹学的一个重要分支，属于复杂的组合优化问题。
Layout problem is an important offshoot of Operation Research; it belongs to complex combinatorial optimization problem.
布局问题是运筹学的一个重要分支，属于复杂的组合优化问题。
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