Exchange-traded funds (ETFS) and mutual funds automatically track indices of shares and bonds.

交易所交易基金和共同基金自跟踪股票和债券的指数。

51.the automatic tracking function of the ARPA is out of order. We can only input data mamually , and the deviation is beyond the scope.

ARPA的自跟踪了。我们只手输入数据。误差太大。

Operated via computer, the Laws features automatic target tracking and acquisition, only requiring a human to give it the go-ahead.

通过计算机操作，Laws 具有自目标跟踪和捕获，只需要一个人它批准。

While a graduate student at the University of Illinois at Champagne-Urbana, Tim Gernat developed an automated system for tracking the behavior of thousands of bees.

在伊利诺伊大学厄巴纳香槟分校攻读研究生期间，蒂姆·格纳特 (Tim Gernat) 开发了一个自来跟踪数千只蜜蜂的行为。

Meanwhile, investors are pouring hundreds of millions of dollars into drone startups with names like Skycatch (which creates aerial maps) and Skydio (which makes video-recording drones that automatically track a subject).

与此同时，投资商们也拿出了数亿美元，投资Skycatch(一家制作航拍地图的公司)和Skydio(一家生产自跟踪目标的视频录制无人机的公司)等无人机初创企业。

It also packs a forward-looking infrared sensor for detecting low-observable anti ship missiles via their heat generation, and a fully automated targeting, tracking, and firing computer that leaves humans out of the loop and can react in milliseconds.

它还包含一个前瞻性红外传感器， 用于通过热量产生来检测低可观测性反舰导弹， 以及一个全自瞄准、跟踪和发射计算机，使人类脱离循环并可以在毫秒内做出反应。