产生: produce; engender式: type; style形式: form; shape; layout; modalit ...左线性形式产生式: left linear form production产生式: epsilon production; production多项式形式: polynomial form图式形式: patterning形式形态: form字段格式形式: field-formatted form产生式规则: production rule产生式树: production tree产生式系统: production system; productive system产生式序列: sequence of productions产生式语言: production language带点产生式: dotted production单产生式: single production概率产生式: probabilistic production核心产生式: core production删除产生式: erasing production删符产生式: erasing production属性产生式: attributed production随机产生式: stochastic production文法产生式: production of grammar无关产生式: irrelevant production误差产生式: error production