“fist mile”可理解为()A、用户端到局端之间的接入部分B、用户端到局端之间的距离为一公里C、对接入网的形象称呼D、专指数字用户线部分
“fist mile”可理解为()
- A、用户端到局端之间的接入部分
- B、用户端到局端之间的距离为一公里
- C、对接入网的形象称呼
- D、专指数字用户线部分
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