词典释义：
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Methods Data Envelopment Analysis (DEA) was applied.
方法数据包络分析应用。
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An interval data envelopment analysis (DEA) model was first defined.
定义了区间数据包络分析(DEA)模型。
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Performance evaluation; Data Envelopment Analysis; Grey Relational Analysis.
绩效评估；资料包络分析法；灰关联分析。
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Data Envelopment Analysis; Efficiency Analysis; Vocational Senior High School.
资料包络分析法；效率分析；职业类科。
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Input Congestion; Data Envelopment Analysis; Returns to Scale; Congestion improvement.
输入拥塞；数据包络分析；规模收益；拥塞管理。
词根 envelop
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envelope n. 信封，封皮；包膜；[天] 包层；包迹
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envelop n. 信封；包裹 vt. 包围；包封；遮盖
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enveloped n. 折叠条 v. 包围（envelop的过去分词）
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enveloping n. 包络 v. 包封；遮盖（envelop的ing形式）