tracing

noun

1. 描摹；摹图；描图
   a copy of a map, drawing, etc. that you make by drawing on a piece of transparent paper placed on top of it

1. VERB 追溯;查考;探索
   If you trace the origin or development of something, you find out or describe how it started or developed.
   1. The exhibition traces the history of graphic design in America from the 19th century to the present...
      展览追溯了美国从19世纪至今的平面设计历史。
   2. I first went there to trace my roots, visiting my mum's home island of Jamaica…
      我最初到那里是为了寻根，探访我妈妈的故乡牙买加岛。
   3. The psychiatrist successfully traced some of her problems to severe childhood traumas.
      这位精神病学家将她的一些问题成功地追溯到她童年时代遭受的严重创伤。
   4. Trace back means the same as trace.
      trace back 同 trace
   5. Britain's Parliament can trace its history back to the English Parliament of the 13th century...
      英国议会的历史可以追溯到 13 世纪的英格兰议会。
   6. She has never traced back her lineage, but believes her grandparents were from Aberdeenshire.
      她从没有查考过自己的家系，不过她认为她祖父母来自阿伯丁郡。
2. VERB 查出;探出;找到
   If you trace someone or something, you find them after looking for them.
   1. Police are anxious to trace two men seen leaving the house just before 8am...
      早上将近8点时有人看到两名男子离开那所房子，警方急于找到他们。
   2. We are currently trying to trace the whereabouts of certain sums of money…
      我们目前正试图找到某些钱款的下落。
   3. They traced the van to a New Jersey car rental agency.
      他们查出面包车属于新泽西州的一家租车行。
3. VERB (用手指或脚尖等在表面上)勾画…的轮廓，描绘，勾勒
   If you trace something such as a pattern or a shape, for example with your finger or toe, you mark its outline on a surface.
   1. I traced the course of the river on the map.
      我在地图上勾勒出这条河的流向。
4. VERB (把透明纸覆盖在底样上)映描，描摹
   If you trace a picture, you copy it by covering it with a piece of transparent paper and drawing over the lines underneath.
   1. She learned to draw by tracing pictures out of old storybooks.
      她通过描摹旧故事书上的图画学会了画画。
5. N-COUNT 少许;微量
   A trace of something is a very small amount of it.
   1. Wash them in cold water to remove all traces of sand...
      用冷水冲洗它们以清除所有的沙子。
   2. He took great pains to write on his subject without a trace of sensationalism.
      他尽力不带一丝哗众取宠的色彩来写作他的题材。
6. N-COUNT 痕迹;遗迹;踪迹;足迹
   A trace is a sign which shows you that someone or something has been in a place.
   1. The local church has traces of fifteenth-century frescoes…
      当地教堂仍留有 15 世纪壁画的遗迹。
   2. There's been no trace of my aunt and uncle...
      没有我姑姑、姑夫的踪迹。
   3. Finally, and mysteriously, Hoffa disappeared without trace.
      最后，霍法毫无踪迹地神秘消失了。
7. PHRASE 销声匿迹;迅速沉寂
   If you say that someone or something sinks without trace or sinks without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
   1. The Social Democratic Party has sunk without trace at these elections...
      社会民主党在这些选举中已销声匿迹。
   2. Pop groups are like Olympic swimmers — they hit gold once, then they sink without trace.
      流行乐队就像奥林匹克游泳选手——拿到一次金牌后就无声无息了。

1. The public is urgently requested to assist police in tracing this man
   紧急要求公众帮助警方追踪此人。
2. As a child she learned to draw by tracing pictures out of her mother's old storybooks.
   小时候她通过描摹母亲旧童话书里的插图学会了画画。
3. She learned to draw by tracing pictures out of old storybooks.
   她通过描摹旧故事书上的图画学会了画画。
4. The Tracing aspect contains before and after advice for methods and constructors, meaning that both entry and exit is traced.
   追踪方面包含了方法和构造器的before和afterAdvice，这意味着入口和出口都被追踪了。
5. The implementation and use of a common tracing API throughout an APM's target environment provides some consistency.
   公共跟踪API在APM的目标环境中的实现和应用提供了一些一致性。
6. The following tracing mechanism helps you to trace the complete flow of control and data.
   以下跟踪机制有助于您跟踪完整的控制和数据流程。
7. Tracing provides you with an alternative method.
   跟踪提供了一种替代方法。
8. The type and amount of tracing depends on the tracing that is enabled.
   跟踪的类型和数量取决于所启用的跟踪。
9. In addition, it provided troubleshooting techniques for common connection problems and tracing options.
   此外，本文还提供了常见连接问题的疑难解答技巧和跟踪选项。
10. Message Logger for logging, tracing, and auditing via files and databases.
    消息记录器，用于通过文件和数据库执行记录、跟踪和审计。
11. Tracing and understanding relationships between requirements and lifecycle artifacts are crucial to project success.
    跟踪和理解需求和生命周期工件之间的关系对项目成功至关重要。
12. Tracing of the CSLD task and archpro should be de-activated.
    对CSLD任务和archpro的跟踪应该不激活。
13. Both performance tracing and execution profilers can be useful tools in analyzing and improving application performance.
    性能跟踪和执行profiler可以成为分析和改进应用程序性能的有用工具。
14. You're now ready to apply the Tracing and FFDC aspects.
    现在你已经做好了应用追踪和FFDC方面的准备。
15. As such, testing depends on the use of test scripts and tracing to determine correctness and identify problems.
    因而，测试依赖测试脚本和追踪的使用来确定正确性和鉴别问题。
16. Tracing error and warning messages only.
    只跟踪错误和警告消息。
17. The key techniques in this system includes wavelet analysis, image thinning, pixel tracing.
    其关键技术包括小波分析，图像细化和象素跟踪。
18. Analyze the tracing messages to identify and understand the problem in the application.
    分析跟踪消息，以确定并了解应用程序中的问题。
19. But for this Art Attack you just need ordinary watercolour paints and tracing paper!
    但是在本节目中，你只需要普通的水彩颜料和描图纸就可以了！
20. Aspects are a big improvement over traditional approaches to logging and tracing.
    方面是对日志记录和跟踪的传统方法的重大改进。
21. A parallel process method of ray tracing is proposed based on a BSP tree.
    提出了一种基于BSP树的光线跟踪并行处理方法。
22. A straightline detection algorithm base on curve tracing was proposed.
    在此基础上，提出了一种基于曲线跟踪的直线检测算法。
23. He made a tracing of the picture.
    他描摹了这幅图。
24. For more information about activity tracing and propagation, see activity tracing and propagation for end-to-end trace correlation.
    有关活动跟踪和传播的更多信息，请参见端对端跟踪关联的活动跟踪和传播。
25. Tent law and ray tracing method were used to simulate the multipath propagation characteristic of microwave in rectangular tunnel.
    运用射线法和帐篷定律模型对空直矩形隧道微波载波的多径传播特性进行了仿真研究。
26. A welded seam tracing system of three-dimensional visual sensor based on the structure light is designed.
    研制了一套基于结构光三维视觉传感器的焊缝自动跟踪系统。
27. I also set up a back-up unlocking option: tracing a pattern on the screen.
    我还设置了一个备用的解锁功能，即在屏幕上滑动一个图案。
28. Use application logging and tracing.
    使用日志和跟踪。
29. The analysis is based on the geometrical optics, and simulated by ray tracing with optical design software ZEMAX.
    利用几何光学方法进行了分析，采用ZEMAX光学设计软件实现光线追迹进行模拟。

noun

1. the discovery and description of the course of development of something
   1. the tracing of genealogies

2. the act of drawing a plan or diagram or outline

3. a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image

   Synonym:    trace