德瑞克细筛的高效、精确分级，提高了三段磨矿的磨矿分级效率，提高了321系统处理原矿的能力。
The highly efficient and accurate classification has improved the grinding-classification efficiency of the tertiary grinding , thus raising the run-of-mine ore throughput of System 321.
建立了管道腐蚀缺陷的多级评价体系，按照从简单到复杂，从保守到精确的顺序对缺陷进行分级评价。
The multilevel assessment system of corrosion defects is erected, which carries grade assessment according to the criterion from simpleness to complexity and from conservation to accusation.
磨矿分级过程机理复杂，影响因素多，难以建立精确实用的数学模型。
It is difficult to establish accurate and practice mathematical models of the process of grinding and classification due to their complicated mechanism and many factors affecting them.
并在传统的实例检索策略基础上，引入模糊相似优先检索策略进行分级检索控制，可有效地处理检索中的不精确性。
A fuzzy analogy preferred retrieval policy combined traditional case retrieval policies is imported to gradually search cases, it can process effectively the imprecise information.
并在传统的实例检索策略基础上，引入模糊相似优先检索策略进行分级检索控制，可有效地处理检索中的不精确性。
A fuzzy analogy preferred retrieval policy combined traditional case retrieval policies is imported to gradually search cases, it can process effectively the imprecise information.
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