华为公司WCDMA基站产品设计中,一个中频板可以处理几个载频扇区?()
A.1
B.2
C.3
D.4
参考答案:C
–Shall we go and ________ hello to the foreign teachers?
–Good idea! Let’s go.
A.say
B.speak
C.talk
D.shout
患者,男,37岁,缺失,Ⅱ度松动,其余天然牙健康,用做基牙进行可摘局部义齿修复,基牙上最好选用()
A.间隙卡环
B.固定卡环
C.长臂卡环
D.锻丝上返卡环
E.锻丝下返卡环