您要查找的是不是：
- three - channel ratio weighted method 三通道比值加权法
- two - channel ratio weighted method 两通道比值加权法
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- 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。
- external standard channels ratio 外标准原道比
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- external-standard channels ratio 外标准道比
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- Once he swam the English Channel. 他有一次横渡了英吉利海峡。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Ships must follow the channel into the port. 船只必须沿航道进入港口。
- The channel of the river filled up with mud. 河道塞满了泥。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- A pipe or channel by which liquid is drawn off. 排水管排掉液体的管或通道
- Several privateer often cruise near the entrance of the channel. 几只武装民船经常在这个海峡的进口附近巡航。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- A channel in which a tidal current runs. 潮汐水道潮汐流在其中流动的水道
- Please tune the television set to Channel 5. 请将电视机调到第五频道。
