您要查找的是不是：
- subvoice grade channel 副声级通道
- 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。
- 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 not in the first grade as a musician. 他不是第一流的音乐家。
- 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。
- 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。
- He received a failing grade on the term paper. 他的期末报告不及格。
- Red and yellow grade into orange. 红与黄混合成橘黄。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- Their marriage is on the down grade. 他们的婚姻关系每况愈下。
- Once he swam the English Channel. 他有一次横渡了英吉利海峡。
