【单选题】A user states that they unplugged their mouse to clean the roller ball, but after plugging it back in the mouse no longer functions. Which of the following is the MOST likely cause of this issue?()
A.
The mouse has a PS/2 connector which is not hot-swappable.
B.
The mouse roller ball is now too smooth to gain traction.
C.
The mouse was broken before the user unplugged to clean it.
D.
The mouse has a USB connector that is not getting enough power.
【多选题】某墩柱工程有立模板、钢筋绑扎、浇筑混凝土三个施工过程,共有三个施工段,各施工过程在各施工段上的工作持续时间见下表,无技术、组织间歇。试组织无节奏专业流水施工,参数如下表。 工程施工顺序应在满足工程建设的要求下,组织分期分批施工,使组织施工在全局上科学合理,连续均衡。同时必须注意遵循()的原则进行安排。
【简答题】为什么说扩频通信起到了频率分集的作用,而交织编码起到了时间分集的作用?RAKE接收属于什么分集?
【单选题】特别适用于热敏性、易氧化的物料,如生物制品、抗生素的干燥处理的干燥设备为( )