promises to create a faster, more accurate and more comprehensive search engine. This sort of constant improvement pays off. Two-thirds of all searches on the web are now conducted through Google. yahoo! has less than 20% of the market, and Microsoft less than 10%. Despite Microsoft’s claims, most people think Google works pretty well as it is. Microsoft points out that search engines get ...
열린 환경위원회에서 '공해방지비용은 발생기업이 부담한다'는 '오염자 부담원칙'(polluter pays principle)을 기본이념으로 한 강령을 채택하여 그해 5월의 각료 이사회에서 정식 결의했다 ...
동아사이언스
디라이브러리
DS스토어
팝콘플래닛
