單項(xiàng)選擇題

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)

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