natural tracing element 天然示踪剂
trace element tracing 微量元素示踪
two element tracing technology 双元示踪技术
rare-earth element tracing technology 稀土元素示踪技术
Finite-element Ray-tracing approach 有限元射线追迹法
以上来源于: WordNet
To demonstrate the usage of tracing, Figure 1 shows a simple flow that takes an input message, extracts the elements, Net and Tax, and calculates the element, Gross.
为了演示跟踪的用法，图1显示了一个简单的流程，该流程接受一条输入消息，提取元素Net和Tax，并且计算元素并得到总额。
Based on Fermat's principle, the paper USES full-path iterative algorithm to realize 3-d VSP two-point ray tracing in volume element model.
本文基于费马原理，利用全路径迭代算法实现体元模型中的三维VSP两点射线追踪。
By tracing that path and checking the status of each element along the way, a management tool can "answer the question of why I can't send E-mail," he adds.
他还说，通过跟踪路径和检查一路上每个部件的状态，管理工具就能“回答我为什么不能送出电子邮件这样的问题了。”
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