,ck是产生式右部文法符号的属性或A的其它属性,称b是A的综合属性（synthesized attribute），（2）是产生式右部某个文法符号x的一个属性,并且c1,c2,…
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该模型由三部分组成：单指标属性测度分析，多指标综合属性测度分析，属性识别分析。
The model consists of three parts: single index attribute measure analysis, multiple index synthetic attribute measure analysis, attribute recognition analysis.
应用该模型对液压挖掘机质量进行评价，对挖掘机的综合属性值进行排序和择优，结果与实际相符。
It also applies the model to appraise the quality of hydraulic excavator, and sorts and selects the synthetic attribution of hydraulic excavator. The result consists with practice.
该系统由三个子系统组成：单指标属性测度分析子系统，多指标综合属性测度分析子系统，识别子系统。
The system consists of three subsystems:single index attribute measure analysis subsystem, multiple index synthetic attribute measure analysis subsystem, recognition subsystem.
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