Context-free grammars are adequate for specifying the structure of almost all programming languages. But in such specifications, it is difficult and time consuming to analyze a statement in the programming language to recognize its structural components.
Precedence grammars, a subset of the context-free grammars, were, developed for quick and easy...
Thais emarginata is a gastropod which inhabits the midlittoral
zone of the intertidal region. Oxygen consumption of high-level and
low-level organisms was determined at various seasons of the year
over an experimental temperature range of 5 to 20° C.
No significant difference in respiratory rate between separate
populations of high-level...