The concept of Bill of Lots(BOL)is analyzed and discussed in details. The method of tracking and tracing products through the BOL construction is also introduced.
基于以上讨论，提出并深入分析了批次清单的概念，以及通过构建批次清单实现产品可追溯性的方法；
A new method based on phase tracking algorithm and ray tracing algorithm is proposed for measuring the three-dimensional (3-d) shape of object in water.
提出一种基于相位追踪和光线追迹算法测量水中物体三维形貌的新方法。
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