Which of the following is an Ericsson scheme to gradually tighten the reuse distance in a network? （）
- A、Ericsson Engineering Tool (EET)
- B、Multiple Reuse Pattern (MRP)
- C、Operation and Support System (OSS)
- D、Frequency Reuse Plan (FRP)
- E、Basic Reuse Plan (BRP)
正确答案:B
答案解析:有
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