多文档界面的英文怎么说

多文档界面的英文：
MDI ; Multi-Document Interface

SDI(MDI)
单文档界面(多文档界面)

A multi-center fragmentation is governed by steric factors
多中心断裂受到位阻因素的控制。

A multi-center fragmentation is governed by steric factors.
多中心断裂受到位阻因素的控制。

The hotel has the very latest multi in its fitness center .
饭店在健身中心配备了最新的多功能健身器。