BTS3812启动成功的标志是() ["A、所有单板CPU任务启动正常","B、向RNC上报了资源指示","C、向RNC上报了资源审计指示","D、主控信令软件收到开工指示"]
世界卫生组织提倡每人每天吃盐量为()。 ["A、3-5克","B、5-10克","C、10-20克","D、20-30克"]
-48V系统直流电源电压变动范围:() ["-40V∽-57V;","-44V∽-57V;","23V∽-29V;","19V∽-29V;"]
+24V系统直流电源电压变动范围:() ["-40V∽-57V;","-44V∽-57V;","23V∽-29V;","19V∽-29V;"]
前飞时,哪个运动能基本消除横侧不平衡力矩(). ["摆振","俯仰","变距","挥舞"]
行政限制的范围有那些?