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- telegraph 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。
- He sent me the news by wireless telegraph. 他用无线电报把消息告诉我。
- Earlier, bush telegraph worked a treat. 人类早期传递信息的方法真棒,是件令人开心的事。
- She went to the telegraph office in a hurry. 她匆匆忙忙向电报局去了。
- 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's a journalist on the Daily Telegraph'. 他是《每日电讯报》的记者。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- A new telegraph line has been set up between the two cities. 在那两个城市之间架设了一条新的电报线路。
- 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。
- Do you know the telegraph operator living over the way? 你认识住在路对面的那个报务员吗?
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- Ferryboats ply across the English Channel. 渡船定期往返于英吉利海峡。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。