左: the left side; the left递归: recurrence; recursion定义: definition; delimiting递归定义: recursive definition互递归定义: mutually-recursive definition右递归定义: right recursive definition; right-recursive definition域递归定义: recursive definition of domain递归定义变量: recursively defined variable递归定义的序列: recursively defined sequence函数的递归定义: recursive definition of function左递归: left recursion; left recursive递归定理: recursion theorem一般左递归: general left recurrence直接左递归: direct left recursion; immediate left-recursion自左递归: self-left recursion左递归方式: left recursive way左递归规则: left recursive rule左递归派生: left recursive derivation左递归文法: left recursive grammar左递归形式: left recursive form; leftrecursiveform回归定义: regressive definition直接左递归的: directly left recursive; directly-left recursive左递归产生式: left recursion production; left recursive production直接左递归规则: direct left recursive rule左递归非终结符: left recursive nonterminal
