基本解釋[動(dòng)力與電氣工程]胸前發(fā)話器[機(jī)械工程]胸前發(fā)話器英漢例句權(quán)威例句This type of tag, however, requires a buoy to carry the aerial, and this is attached to the shark by a ten-metre-long line. (The line is needed because the sharks themselves rarely break the surface, and the transmitter cannot signal to the satellite from under water.) Two American biologists, Scott Eckert and Brent Stewart, from the Hubbs-Sea World Research Institute in San Diego, have had some success with satellite tracking.ECONOMIST: Whale sharksbreak transmitter更多例句專業(yè)釋義動(dòng)力與電氣工程胸前發(fā)話器機(jī)械工程胸前發(fā)話器