在组建CW测试平台过程中,需记录以下()部分对信号的增益
A.信号源发射功率
B.功放和发射天线的增益
C.接收天线的增益
D.射频线缆损耗
参考答案:A, B, C, D
根据句子意思,用所给词的正确形式填空。
小题1:We are _____, we love our country. (China)
小题2:I watch TV ______ a week. (two)
小题3:Many people lose their _____ in the accidents every year. (life)
小题4:That is a townhouse with two ______. (floor)
小题5:There are so many books on the two _______. (shelf)
下列业务应编制转账凭证的是( )。
A.支付购买材料价款B.支付材料运杂费C.收回出售材料款D.车间领用材料