詞法掃描 的英文怎麼說
中文拼音 [cífǎsǎomiáo]
詞法掃描
英文
lexical scan-
The scanner is sometimes called a lexical analyzer.
掃描程序有時又把它稱為詞法分析程序。Scanning, or lexical analysis
掃描,也稱詞法分析。The grammar shown above in typographify. def provides guidance for the design of a spark lexer scanner
上面的typographify . def中所示的語法提供了spark詞法分析程序掃描程序的設計指南。Magnetoencephalography is a big word for a technique that measures tiny changes
腦磁圖掃描是一個冗長的詞匯,但它卻是用來探查微小變化的方法。The extract process have three steps : constructing echg of java system from java profile, extracting system ' s lexical relational model by scanning source code and analyzing the polymorphism calling location, constructing the semantic model by rule - based model mapping of lexical model
抽取過程有三個階段:構造系統的echg ,掃描程序的源代碼和多態點分析得到系統的詞法層次模型,通過基於規則的推理轉換詞法模型為語義模型。When user defined functions ( udfs ) are involved in the join predicate, the algorithms for the computation of relational joins can not be used directly. in the paper, the restricting transformation function r, is defined, which can restrict some variable ' s values. without scanning the entire relation, performance of join algorithm can be improved greatly
當連接條件中包含用戶自定義的復雜函數時,原有的連接演算法不能直接應用於該連接運算,為此,本文提出了限定變換函數t _ r概念,來限定連接謂詞中某些變元的取值范圍,從而避免對整個關系的掃描,達到提高連接演算法性能的目的。分享友人