To trace the source of meat, or even leather goods, scientists can use DNA barcoding, which uses a short genetic marker from the sample to identify it.
科学家可以使用基因条形码技术（通过来自样本的短基因标记来识别物种的技术），可以追朔肉甚至是皮革商品源于什么物种。
Listing 3 shows a more verbose trace of a running process (process ID 976) to an output file along with a short extract. The following switches were used.
清单3把一个正在运行的进程(进程ID 976)的详细跟踪发送到输出文件并显示简短摘要。
Youth is a short dream, when you wake up, it has disappeared was not the least trace was found.
青春时代是一个短暂的美梦，当你醒来时，它早已消失得无影无踪了。
How can we show our most brilliant trace in life meteor in short instantaneous delimits?
如何我们的生命流星在短暂的瞬间划出最绚烂的痕迹？
The smooth coat is straight, short, tight and glossy, with no trace of wiry hair.
短毛型 被毛是直、短、紧且有光泽的，看不出任何刚毛的痕迹。
Shakespeare :Youth is a short-term dream, when you wake up, it has already disapperaed without a trace.
青春是一个短暂的美梦，当你醒来时它早已消失无踪。
The result is helpful for the specimen analysis and process when instrument is out of order in observation station, as well as the short-term and emergent trace monitoring in special condition.
该结果对台站监测工作中仪器发生故障时的样品分析处理，以及特殊条件下的短临跟踪监测工作具有一定的借鉴作用。
It is suggested that by using the parameter of seismic wave to trace the short term and impending anomalies in the principle monitoring areas can we find an effective way to earthquake prediction.
这表明，利用地震波参数对重点地震监视区进行短、临动态跟踪，有可能成为解决地震预报问题的有效途径。
It is very important to identify and trace the evolution of such combination of small earthquake in short-term and imminent earthquake prediction.
识别、跟踪和把握这种小震组合及其演变对于提高地震短临预测很有价值。
But short - term memory can become long term memory if the memory trace is activated enough so that it creates a long-term pathway in the brain.
如果记忆痕迹足够活跃在大脑里制造出一条长期路径的话，短期记忆可以变成长期。
Youth his a short dream, when you wake up, it has disappeared was not the least trace was found.
青春时代是一个短暂的美梦，当你醒来时，它早已消失得无影无踪了。
As Langdon's gaze began to trace the inlay, his eyes stopped short on an unexpected object lying on the floor just a few yards to his left, surrounded by police tape.
兰登开始观看地板的镶饰。他的眼睛突然停留在他左边几码远处的地板上被警察用条带围起来的一个物体上。他没想到会看到这个。
In short, the On-column Enrichment-HPLC method is convenient to operate, possesses good enriching effect and high resolution and is capable for the determination of trace pollutant in water.
本文建立的原柱富集-液相色谱方法操作简便、富集效果好，分离度高，能够满足水体中痕量污染物检测的要求。
For letter E, we do an egg activity. Students learn how the letter E sounds, trace the small and large letter, read a short book about eggs and then they actually get to dye an egg!
孩子们学习字母的发音，用身体做出大写E和小写e的动作，阅读关于鸡蛋的故事，并且还学习如何做彩蛋！
For letter E, we do an egg activity. Students learn how the letter E sounds, trace the small and large letter, read a short book about eggs and then they actually get to dye an egg!
孩子们学习字母的发音，用身体做出大写E和小写e的动作，阅读关于鸡蛋的故事，并且还学习如何做彩蛋！
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