以往这个车载单元只是一个简单的装置，当车辆通过收费公路入口处时，这个装置就起到了一个无线电频率身份识别标签的作用，但这个装置也开始实现智能化了。
That used to be a simple device, working like a radio-frequency identification tag when it passes under a gantry on a toll road, but it is also getting smarter.
坐在凯恩身边的宇航员是任务监控处的联络员，他通过无线电呼叫，“哥伦比亚号，这里是休斯顿，我们看见了你的轮胎压力信息，但是没能记录下你们上一次的呼叫内容。”
The astronaut sitting beside Cain, and serving as the Mission Control communicator, radioed, "And Columbia, Houston, we see your tire-pressure messages, and we did not copy your last call."
艾伯特车上装有一个短波无线电，他呼叫警察，向他报告说，后方三英里处发生了一起严重的撞车事故。
Ebbert had a shortwave radio, so he called the police to report a serious car wreck three miles behind.
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