Extended Backus-Naur Form

(language)Any variation on the basic Backus-Naur Form (BNF)meta-syntax notation with (some of) the following additionalconstructs: square brackets "[..]" surrounding optionalitems, suffix "*" for Kleene closure (a sequence of zero ormore of an item), suffix "+" for one or more of an item,curly brackets enclosing a list of alternatives, andsuper/subscripts indicating between n and m occurrences.

All these constructs can be expressed in plain BNF using extraproductions and have been added for readability andsuccinctness.

单词	extended backus-naur form
释义	Extended Backus-Naur Form Extended Backus-Naur Form (language)Any variation on the basic Backus-Naur Form (BNF)meta-syntax notation with (some of) the following additionalconstructs: square brackets "[..]" surrounding optionalitems, suffix "*" for Kleene closure (a sequence of zero ormore of an item), suffix "+" for one or more of an item,curly brackets enclosing a list of alternatives, andsuper/subscripts indicating between n and m occurrences. All these constructs can be expressed in plain BNF using extraproductions and have been added for readability andsuccinctness. AcronymsSeeEBNF
随便看	line of best fit line of business line of business interoperability line of business object line of business owner line of business reporting line-of-business reporting line of centers line of code line of collimation line of communications line of constant bearing line of contact line of contact/line of departure line of control line of countervallation line of country line of coverage line of credit line of credit control system line of curvature line of cusps line of dance line of defence line of defense