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问题
判断题
在TD-SCDMA中室外站点规模估算主要考虑上行链路预算。
答案
参考答案:错
选择题
— What did your father do before he works here?
— He _____ the city bus for over ten years.
A. drives
B. was driving
C. drove
D. has driven
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填空题
驱动桥的类型有()驱动桥和()驱动桥两种。
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