The comparison of the rhetorical features of the two languages is made through the effective use of the figures of speech for description and expression, and their rhetorical functions are compared in proverbial forms in terms of image fundamentals and synonymous idioms.

Based on the analysis of GML based data compression characteristics among the mobile computing environment:semantics isomorphism,maintain topology of time and space and self-adaptive compression,the method of GML based data compression model is proposed.

After a brief discussion of synonymous terms, polysemous terms and theory－ specific terms in linguistics, this paper focuses on the illustrations and feature discussions of the 5 types of synonymous linguistic terms classified by their origins.

Based on the theory of metaphor,the paper takes the basic color terms "black","white" and " red" in both English and Chinese as examples to analyze the semantic similarities and differences of the basic color terms.