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- 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。
- voice grade channel 音频波段电路,话频段信道,电话线路
- 39. 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 a telephone system, a term applied to any non data transmission that makes use of voice grade lines. 在电话系统中的一种术语。适用于利用音频段线路的任何非数据传输业务。ZK)
- 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。
- His vibrant voice commove the air. 他响亮的声音振动了空气。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- There was a tremor in her voice. 她的声音有点颤抖。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Her beautiful voice charms everyone. 她优美的声音迷醉了每个人。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- A man's voice is usually lower than a woman's. 男子的嗓音通常比女子的低。
- He had such a bad cold he lost his voice. 他患这么重的感冒，嗓子失声了。
- I suspected from his voice that he meant mischief. 我从他说话的声音就怀疑他不怀好意。
- She asked me in a small voice what time it was. 她低声问我现在是什么时候了。
- He's an army sergeant. he needs a loud voice. 他是个好军人。他需要有大嗓门。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
