()时间表示UE完成网络注册需要的时间,是衡量用户网络接入时延感受的重要指标之一。
参考答案:Attach/附着
Consumers are getting more sensible and buy only _____ they need in spite of all the advertisements
they see. [ ]
A. that
B. what
C. which
D. whether
与普通玻璃相比,钢化玻璃有哪些优点和缺点?