Regular tree grammar

Example derivation tree from G1 in linear (upper left table) and graphical (main picture) notation

In theoretical computer science and formal language theory, a regular tree grammar (RTG) is a formal grammar that describes a set of directed trees, or terms. A regular word grammar can be seen as a special kind of regular tree grammar, describing a set of single-path trees.

单词	Regular tree grammar
释义	Regular tree grammar 英语百科 Regular tree grammar In theoretical computer science and formal language theory, a regular tree grammar (RTG) is a formal grammar that describes a set of directed trees, or terms. A regular word grammar can be seen as a special kind of regular tree grammar, describing a set of single-path trees.
随便看	spread themselves spread themselves thin spread the sails spread the speculation that spread the table Spread the wealth spread the word spread thin spread throughout spread to Spread trade Spread trading Spreadtrum spread tube spread upon spread variable capacitor spread velocity spread voltage spread warrant spread waveform generator spread width spread ... wings spread wings spread with spready