简述基站的构成。
参考答案:
基站主设备:收发信机等
基站配套设备:传输设备、电源设备、天馈线系统、铁塔等
附属设备:空调、动力环境监控系统等
Even though she much, the woman multimillionaire insists on working as a street cleanser to set her children a good example.
A.doesn’t pay
B.isn’t paid
C.hasn’t paid
D.hasn’t been paid
该病分型有哪些
A.微小病变型肾病
B.系膜增生性肾小球肾炎
C.系膜毛细血管性肾小球肾炎
D.膜性肾病
E.局灶性阶段性肾小球硬化