target lock-on

基本解释

Auto-tracking System has two kinds of target lock-on mode such as auto lock and manual lock.
自动跟踪系统有自动锁定工况和人工锁定工况两种目标锁定方式。
Resource hijack -- Sending messages that lock or reserve resources on the target server as part of a never-completed transaction.
资源劫持 (hijack)——作为一项永远无法结束的事务的一部分，发送锁定或占用目标服务器资源的消息。
Based on these, the max-lock- range of infrared detection system was calculated by the different infrared intensity between background and target, and its directional diagram was drawn.
在此基础上，根据目标与背景的辐射强度差值，计算出红外成像探测系统对目标的最大作用距离，并绘制出其在探测器工作波段内的方向图。