TD-SCDMA采用TDD双工方式,使得系统具有哪些优势。

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问题:

TD-SCDMA采用TDD双工方式,使得系统具有哪些优势。

考点:中国移动(无线TD网络优化)通用专业知识通用专业知识题库
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牙龈固有层中胶原纤维束呈各种方向排列,可分为()

A.牙槽龈组

B.龈牙组

C.环形组

D.牙周膜组

E.越隔组

题型:问答题 简答题

按要求改写下列句子

1. She has studied English for three years. (改为一般疑问句)

    ______ she______ English for three years?

2. My brother has been a tour guide for two years. (对画线部分提问)

    ______ your brother been a tour guide?

3. Anna likes pop songs. I like them ,too.(改为同义句)

    Anna likes pop songs. ______  ______ I.

4. My sister has never learned French .I have never learned it, either. (改为同义句)

    ______ I ______ my sister ______ learned French.

5. The student bought the English book two days ago. (用现在完成时改写)

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

6. Is the Science Museum open at weekends?(改为宾语从句)

    Could you tell us ______ the Science Museum ______ open at weekends?

7. To protect the environment is important.(改为同义句)

    It is important ______ the environment.

8. This bag is not the same as that one.(改为同义句)

    This bag is ______ ______ that one.

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某患者,呼吸机给O2过程中动脉血气分析pH7.48,PaCO225mmHg,PaO276mmHg,BE-6mmol/L,HCO3-18.5mmol/L,考虑为()

A.呼碱

B.代碱

C.代酸

D.呼酸

E.呼酸+代碱

题型:问答题 简答题

HXD3型电力机车BVAC.N99型真空断路器的作用有()。

A、控制机车主电路电源的开通

B、控制机车主电路电源的断开

C、过载保护

D、短路保护

题型:问答题 简答题

小柴胡汤证,若病人腹中痛,据原文方后注当如何加减()

A.去黄芩,加重人参、甘草

B.去黄芩、人参,加栝楼根实一枚

C.去黄芩,加重人参,加五味子、栝楼实

D.去黄芩,加芍药三两

E.去黄芩,加五味子、栝楼根

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