这句英文太长,Starting from a sentence consisting of a single distinguished nonterminal,called the goal symbol,a givencontext-free grammar specifies a language,namely,the (perhaps infinite) set of possible sequences ofterminal symbols that can r
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这句英文太长,Starting from a sentence consisting of a single distinguished nonterminal,called the goal symbol,a givencontext-free grammar specifies a language,namely,the (perhaps infinite) set of possible sequences ofterminal symbols that can r
这句英文太长,
Starting from a sentence consisting of a single distinguished nonterminal,called the goal symbol,a givencontext-free grammar specifies a language,namely,the (perhaps infinite) set of possible sequences ofterminal symbols that can result from repeatedly replacing any nonterminal in the sequence with a right-hand side of a production for which the nonterminal is the left-hand side.
这句英文太长,Starting from a sentence consisting of a single distinguished nonterminal,called the goal symbol,a givencontext-free grammar specifies a language,namely,the (perhaps infinite) set of possible sequences ofterminal symbols that can r
Starting from a sentence consisting of a single distinguished nonterminal,是现在分词短语作状语
called the goal symbol是过去分词作非限制性定语,
a given context-free grammar 是主语
specifies是谓语
a language是宾语,
namely,the (perhaps infinite) set of possible sequences ofterminal symbols 是同位语
后面是定语从句
that是关系代词 代替先行词symbols引导定语从句 并作定从中的主语
can result是定从中的谓语
from repeatedly replacing any nonterminal in the sequence with a right-hand side of a production 是定从中的状语.
后面是非限制性定从定修饰production .
.for which the nonterminal is the left-hand side.
句子意思.
从一个由单个可分辨 的 被称之为目标符号 所组成 的句子 开始 ,不讲语法规则 的上下文 详细说明了 一种语言 ,即,（可能是无限的）一组可能的系列目标符号 ,
这些符号可能 是由于 不断地 在 系列中 用产生物的右边 代替任何目标符号 的结果
对于产生物 目标符号 是左边.
太专业,不太懂 供参考.
从一个由一个杰出的终结符开头的句子，称之为目标的象征，一个givencontext自由语法指定的语言，即，（可能是无限的）的一组可能的序列的终端符号是由重复更换任何在序列中占据一个生产该终结符是左边右边。
从一个单一的可分辨的非终结符构成一个句子开始，称为目标符号，无givencontext的语法指定语言，即， （也许是无限长）可能的序列的ofterminal符号的可能起因于反复更换任何非终结符序列中右手侧的一个作品，非终结符的左手侧。