1.
Analysis and Design on Tracking and Traceability System for the Safety of Pork Supply Chain
猪肉供应链安全跟踪追溯系统分析与设计
2.
The Key Technology Research of the System of Track and Trace in the Supply Chain of Agricultural Logistics of SiChuan Province;
四川农业物流供应链跟踪追溯系统的关键技术研究
3.
Research on Tracking and Tracing System in the Production Chain of Chilled Pork;
冷却猪肉供应链跟踪与追溯系统的研究
4.
Design and Development of Traceability Information Management System of the Safety Beef Productions Entire Processes;
牛肉安全生产加工全过程质量跟踪与追溯信息管理系统研发
5.
Research on Product Tracking and Tracing Based on Batch Management;
基于批次管理的产品追踪溯源的研究
6.
The dogs are casting around for the scent
这些狗正在跟踪追寻。
7.
The hunter followed the tracks of the lion.
猎人跟着狮子的踪迹走（追踪狮子）。
8.
To follow the traces or scent of, as in hunting; track.
跟踪追随…的足迹或气味，如在狩猎中；追踪
9.
The police have traced her disappearance back as far as a day in April.
警察把她的失踪日期追溯到四月份的一天。
10.
He traces his descent back to an old Norman family.
他追踪自己的世系上溯至一个古老的诺曼家族.
11.
He trace his descent back to an old norman family
他追踪自己的世系上溯至一个古老的诺曼家族
12.
Status quo and Evaluation of Traceback in Cyber-Network
计算机网络追踪溯源技术现状及其评估初探
13.
Study on high-precision rapid ray tracing method by multi-retracing
多次回溯高精度快速射线追踪方法研究
14.
A Practical Traceback Mechanism in Wireless Sensor Networks
无线传感器网络恶意节点溯源追踪方法研究
15.
Research on Track and Rollback of Design Process in Aircraft Collaborative Design;
飞行器协同设计中的设计过程跟踪与回溯研究
16.
Research of Operator's Device Dynamic Tracking and Quality Retrospective System
运营商设备动态追踪与全程质量追溯系统的研究
17.
tracking station (place from which the movements of satellites,missiles,etc are tracked by radar or radio)
（用雷达或无线电追踪卫星、导弹等的）跟踪站.
18.
on the track of
跟踪追赶，尾随，得到…的线索，未出岔子