multi-layer schema

• 多层架构

multi-layer schema的用法和样例：

例句

1. The distributive multi-layer architecture is now considered an optimum choice by companies structuring large-scale systems and its development focuses on the middle layer.
   摘要分布式多层架构是目前企业构建大型应用系统所首选的结构，开发分布式多层架构的焦点集中在中间层。