tex版爱思唯尔模板，发表EI SCI必备，可生成ＰＤＦ格式文档。-elsevier masterplate.

This is Elsevier s new document class for typeset journal articles, elsarticle.cls. It is now accepted for submitted articles, both in Elsevier s electronic submission system and elsewhere. -This is Elsevier s new document class for typeset jou