2·He says that all wireless companies do some amount of location tracking as part of their networks.
他说，作为其网络的一部分，所有无线方面的公司都会进行一些位置跟踪。
3·Getting a DNT signal does not oblige anyone to stop tracking, although some companies have promised to do so.
获得 DNT 信号并不意味着任何人都必须停止跟踪，尽管一些公司已经承诺会这样做。
4·If the ground stations tracking the satellites are not accurate to the millimeter, then the satellites cannot be accurate either.
如果跟踪卫星的地面站位置不能精确到毫米，那么卫星也是不可能精确的。
5·The electrical property of flame-retardant engineering plastics, especially comparative tracking index (CTI) is described.
这对阻燃型工程塑料的电性能，尤其是比较跟踪指数（CTI）进行了描述。
1·Our radar began tracking the jets.
我们的雷达开始追踪那些喷气式飞机。
—— 《柯林斯英汉双解大词典》
2·We continued tracking the plane on our radar.
我们继续用雷达追踪那架飞机。
—— 《牛津词典》
3·The key in the successful accomplishment of this process is accurate list tracking.
成功完成这一过程的关键是对列表的准确追踪。
4·Their waste tracking technology means that caterers can see how much food is being wasted and why.
他们的废品追踪技术意味着餐饮公司可以看到有多少食物正在被浪费，以及它们为什么被浪费。
5·The always-on Internet devices raise some novel possibilities, like tracking where students gather together.
这种永远在线的互联网设备带来了一些新的可能性，比如对学生聚集的地点进行追踪。
1·The principles of the signals detecting, focusing and tracking of the optical disk are analyzed.
分析了光盘信号探测、聚焦、循迹原理。
2·Tracking Servo plays a great role in DVD player reading data from the optical discs steady and accurately.
循迹伺服对于DVD播放器稳定准确从光盘上读出起着重要作用。
3·Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.