【判断题】Self-service such as ATMs and online-buying is not customer service.
【单选题】How do web-based online self-service applications transform an organization's relationships with its customers?
A.
They reduce customer-service facilities available to a customer, but increase the quality of available facilities.
B.
They help educate customers on the business processes of the company.
C.
They provide customers with elaborate decision support systems which help customers make choices without technical help.
D.
They free customers from time-consuming and routine forms of direct contact.
【单选题】图 2 建筑景观照片中,可以反映南方水乡区域的是 ( )
【多选题】下行为什么可以不用功率控制呢?
A.
LTE下行采用OFDMA技术,不同UE信号互相正交,不存在远近效应
B.
LTE既可以做时域调度,也可以做频域调度,这样就能够避免在深度路径损耗的RB上传输了
C.
在LTE中,如果采用功率控制反而会扰乱下行CQI测量,影响下行调度的准确性。
【多选题】下行为什么可以不用功率控制呢?
A.
LTE下行采用OFDMA技术,不同UE信号互相正交,不存在远近效应;
B.
在LTE中,如果采用功率控制反而会扰乱下行CQI测量,影响下行调度的准确性。
C.
LTE中,下行没有干扰存在,功率控制显得多余。
D.
LTE既可以做时域调度,也可以做频域调度,这样就能够避免在深度路径损耗的RB上传输了 。
【简答题】我们不知道他是死是活。___ (翻译成英文)
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