高频交易的基本原理是利用巧妙的算法与超高速计算机来侦测并利用市场的动向。

The basic idea of HFT is to use clever algorithms and super-fast computers to detect and exploit market movements.

youdao

由于僵尸网络病毒必须与主服务器通信来获得命令或返回数据——比如，密码和信用卡号码，通过侦测此过程该技术便能发挥作用。

It works by detecting when a botnet virus is communicating with its master servers, as it must do to get its commands or to send back data — say, your passwords and credit card Numbers.

youdao

这款冷战时期的侵入侦测系统旨在与周围环境融为一体，它能够探测300米之外的任何活动物体。

This Cold War-Era intrusion-detection system was designed to blend in with the terrain and could detect movement of people, animals or objects up to 300 meters away.

youdao