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- John Pinhorne, a clergyman in Southampton who maintained a Free Grammar School. 宾荷尔是圣工会教士，又是南安普敦一所公立文法学校校监。
- If (X,a) is a pair of symbols of any context free grammar, then there is at most one generalized precedence relation between X aad a. 在分析速度和占用内存方面,广义优先文法与弱优先文法相似,但前者包含的文法类更广。
- If( X, a) is a pair of symbols of any context free grammar, then there is at most one generalized precedence relation between X aad a. 指出基因表达式编程和仅含有单个非终结符的上下文无关文法在描述能力上是等价的。
- This essay summarizes the effects, problems and solutions of Chinese parsing using CTT with a Chinese simple Context Free Grammar (CFG) after a brief introduction of the composition, several characteristics of the Copenhagen Tree Tracer (CTT) program. 本文简要介绍了自然语言处理的图形接口软件CTT(Copenhagen Tree Tracer),并介绍了利用它在简单的CFG形式化体系下做汉语自动句法分析的状况、存在问题、解决办法。
- On the basis of the formalizable characteristic of music rhythm, a probabilistic context free grammar (PCFG) system was defined to describe the relatively independent music rhythm elements. 基于音乐节奏本身具有可被形式化的特性，定义了一个概率上下文无关文法(PCFG)系统来描述相对独立的音乐节奏元素。
- Metaobject parsing is a formalized method, which is used for system comprehension of the procedure-oriented legacy software.The method is based on object-oriented context free grammar. 元对象分析法是理解面向过程遗产软件系统的一种形式化方法，这种方法以面向对象的上下文无关文法为基础。
- A Chinese Parser Based on Probabilistic Context Free Grammar 一种基于概率上下文无关文法的汉语句法分析
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- The line AB cuts the line DC at the point E. AB线和DC线在E点相交。
- The letter "e" in "mouse" is mute. “mouse”中的字母“e”不发音。
- The lines AB and CD intersect at E. 直线AB与直线CD相交於E点。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- The line AB intersects the line CD at E. 直线AB与直线CD相交於E点。
- A HIERARCHICAL SIMULATION CLASSES MODEL BASED ON CONTEXT FREE GRAMMAR 基于上下文无关文法的仿真类层次结构模型
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
