它在默认设置中替代了原有的小猎犬(Beagle)搜索工具。 追踪者(Tracker)是一款索引搜索引擎，由简明的C语言所编写。因此它减少了一个数量级的软件依存关系，并且提高了内容索引的速度。
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FastDFS就是仓库, FastDFS里有两大角色：跟踪器（traCKer）和存储节点（storage）。跟踪器（traCKer）就是仓库管理员，主要做调度工作，在访问上起负载均衡的作用。存储节点（storage）就是货柜。
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barn door tracker 旋门追踪器
Camera Tracker 摄影机跟踪器 ; 摄影机跟踪 ; 摄像机跟踪 ; 摄像机追踪器
Laser Tracker 激光跟踪仪 ; 激光跟踪器 ; 激光跟踪装置 ; 激光跟踪测量系统
Tracker Controls 跟踪控制 ; 追踪控制 ; 视窗的功能介绍 ; 面板
Tracker Motion 透视跟踪 ; 简单位置跟踪 ; 复杂位置跟踪 ; 运动跟踪
Tracker Tom 汤姆工程车 ; 工程车汤姆
Remote Kernel Tracker 远程内核跟踪程序 ; 远程内核跟踪器
Star sensor, also called star tracker, is a very high accuracy instrument for attitude determination.
星敏感器(又称为星跟踪器)是一种极高精度的姿态确定仪器。
参考来源 - 基于星敏感器的星模式识别算法及空间飞行器姿态确定技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT A tracker is a person or animal that finds other people or animals by following the marks left by their feet and other signs that show where they have been. 追踪者
If China can realize its goal, it will lower global warming by around 0.2℃ to 0.3℃ alone, according to Climate Action Tracker.
据气候行动追踪组织预计，如果中国能够实现这一目标，它将使全球变暖温度降低约0.2至0.3℃。
I've been working as a volunteer wolf tracker in Yellowstone National Park for over a year. It's my job to follow wolves to record information about them.
我在黄石国家公园做了一年多的狼踪迹志愿者。我的工作是追踪合记录狼的信息。
The eye tracker gives expert and learning performers a glimpse into what they do without thinking about it.
眼动仪可以让专业人士和学习者在不加思考的情况下了解自己在做什么。
We'll figure a wayto lead the tracker away somehow. I don't know. But we have to do something.
VOA: standard.other
Listen to me. James is a tracker.The hunt is his obsession. I read his mind.My reaction on the field set him off.
VOA: standard.other
Okay, so the course thatthe tracker's on now is gonna lead him to a ballet studio?
VOA: standard.other
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