> 译文仅供阅读便利。具有规范效力的是英文原文。

# 元宇宙栈

```mermaid
flowchart TD
    APP["Applications & Implementations"]
    DOM["Domain Meta-Models<br/>(Employee, Product, Invoice, ...)"]
    MUFP["MUFP<br/>Meta-Universe Federation Protocol"]
    MMAS["MMAS<br/>Meta-Model Architecture Standard"]
    MUC["MUC<br/>Meta-Universe Constitution"]

    APP --> DOM
    DOM --> MUFP
    MUFP --> MMAS
    MMAS --> MUC

    classDef layer fill:#eef3fb,stroke:#33415c,stroke-width:1px;
    class APP,DOM,MUFP,MMAS,MUC layer;
```

*图注：元宇宙栈 - 每一层只依赖其下的各层，宪章（MUC）为地基，应用居于顶端。*