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【单选题】
综合布线系统工程的技术管理涉及综合布线系统的工作区,电信间、设备间、进 线间 入口设施 缆线管道与传输介质、配线连接器件及接地等各方面,根据布线系统的复杂程度分为4级管理其中【】是针对同一建筑物 内多栋建筑物的系统,包括建筑物内部及外部系统。A.
一级
B.
二级
C.
三级
D.
四级
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反馈参考答案：
举一反三
【单选题】The magnetic systems can be used in the waysof ___ and biocompatible microspheres.
A.
implants
B.
microspheres
C.
ostomic pump
D.
implanted pumps
【单选题】Which of the following data storage systems provides the most efficient random access to individual data items?
A.
Main memory
B.
Magnetic disk
C.
CDs/DVDs
D.
Flash drives
【简答题】Flight instruments and systems is used to display the motion of an aircraft. It is including , horizon indicator, magnetic compass, directional gyro, compass system etc..
【多选题】以下哪些条件下必须进行零点标定?
A.
机器人执行一个初始化启动
B.
SPC的备份电池的电压下降导致SPC脉冲记数丢失
C.
在关机状态下卸下机器人底座电池盒盖子
D.
机器人的机械部分因为撞击导致脉冲记数不能指示轴的角度
【单选题】Computer vision systems for observing the road are better than magnetic systems because they _________.
A.
are more accurate
B.
can read road signs
C.
do not need special equipment buried in the road
D.
can make use of the vehicle's control computer
【单选题】Flight instruments and systems is used to display the motion of an aircraft. It is including , horizon indicator, magnetic compass, directional gyro, compass system etc..
A.
Altimeter , airspeed indicator
B.
Inertial navigation system and GPS
C.
T CAS and Transponder
D.
VOR and DME
【单选题】Which of the following data storage systems provides the most efficient random access to individual data items?
A.
Main memory
B.
Magnetic disk
C.
Optical CDs and DVDs
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