【单选题】8个9.6Kb/s的信道按时分多路复用在一条线路上传输,在统计TDM情况下,假定每个子信道有30%的时间忙,复用线路的控制开销为5%,那么复用线路的带宽约为(2)。
【单选题】We have confidence __________ the quality of Chinese textiles.
【简答题】We have confidence ______ selling your Sweaters in our market.
【单选题】图示外伸梁,________可以仅用静力平衡方程求得。
【单选题】_______ somewhat technologically as we are for the moment, we have confidence in our ability to catch up in time.
【单选题】If you could make a reduction 10% in quotation, we have confidence in securing large orders for you.
【单选题】We have confidence in the quality of your machine tools, that is why we are buying from your country ( ) England.
【简答题】收益性支出与资本性支出、流动负债和长期负债是以1年为划分依据的。( )