您要查找的是不是:
- telephone grade channel 电报级信道
- In communications, the range of signal frequencies that can be satisfactorily transmitted on a given channel, e. g. the passband on voice grade channels is 300 3000Hz. 在通信技术中,在一个给定信道上可以满意地传输信号的频率范围。例如话音级信道上通频带为300-3000赫兹。
- In communications,the range of signal frequencies that can be satisfactorily transmitted on a given channel,e.g. the passband on voice grade channels is300-3000Hz. 在通信技术中,在一个给定信道上可以满意地传输信号的频率范围。例如话音级信道上通频带为300-3000赫兹。
- In communications, the range of signal frequencies that can be satisfactorily transmitted on a given channel, e.g. the passband on voice grade channels is300-3000Hz. 在通信技术中,在一个给定信道上可以满意地传输信号的频率范围。例如话音级信道上通频带为300-3000赫兹。参阅Hz。
- In communications, the range of signal frequencies that can be satisfactorily transmitted on a given channel, e.g. the passband on voice grade channels is 300 3000Hz. 在通信技术中,在一个给定信道上可以满意地传输信号的频率范围。
- A kite dangles from a telephone wire. 一只风筝悬挂在电话线上晃来晃去。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- He banged into a telephone booth and hurt his leg. 他撞在了一个电话亭上,伤了腿。
- He put the telephone bill down as a business cost. 他把电话费用作为办公费记下。
- The car dashed against a telephone booth. 那车子猛地撞在一间电话亭上。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He got in by pretend to be a telephone engineer. 他假装成电话工程师进来的。
- She can always be reached by the office telephone. 打电话到办公室去总能找到她。
- My boss doesn't allow me to use the telephone. 老板不许我使用电话。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- He found their address in the telephone directory. 他在电话薄里找到了他们的住址。
- I have to make a telephone call. 我必须打个电话。
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Will you answer the telephone if it rings? 电话铃声响时请你接电话好吗?