试题与答案

TD-SCDMA采用TDD双工方式,使得系统具有哪些优势。

题型:问答题 简答题

题目:

TD-SCDMA采用TDD双工方式,使得系统具有哪些优势。

答案:

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    The student ______ ______ the English book ______ two days ago.

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