1. In this paper, we introduce the Economic Geographical Information System(EGIS). EGIS is a Large-scale software which can use computer to manage ample resource data and aid decision.

2. Accordingly, the security issue in thee-government information system (EGIS) becomes more prominent and severe.

3. The copolymer manufactured by DMT Copolymerized with BD and EGis belonged to the random copolyester.

4. Environmental Geographic Information System (EGIS) is a specific subject research domain in geographic information system with its peculiar characteristic.

5. Then the developing trend of environmental information system is discussed, and the multi-database basic theory of EGIS is given.

6. egis (US) [ˈiːdʒɪs] N under the Aegis of (= protection) → bajo la tutela de; (= patronage) → patrocinado por, bajo los auspicios or (frm) la égida de Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co

7. Aegis, also spelled egis, plural Aegises or egises, in ancient Greece, leather cloak or breastplate generally associated with Zeus, the king of the gods, and thus thought to possess supernatural power.Zeus’s daughter Athena adopted the aegis for ordinary dress.Athena placed on her aegis a symbolic representation of the severed head of the Gorgon Medusa.