X-ray fluorescence spectrometry has many good advantages such as quick analysis speed, no sample destruction, wide detection range and reliable results.

X射线荧光光谱分析具有分析速度快、不破坏样品组成、检测范围广、结果稳定可靠等优点。

youdao

Conclusion: Raman spectroscopy is fast, simple, accurate, with automated identification and no sample damage, so it may be an effective identification means in daily inspection in the future.

结论：拉曼光谱分析法具有快速、简便、准确率高、无损测量及识别自动化等优点，有望成为药品日常监督中一种有效的鉴别手段。

youdao

Instantly he knew that I had contracted giardia; no sample was needed.

他立刻知道我患了贾第鞭毛虫病，不需要对大便化验。

youdao

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

哈佛公开课 - 幸福课课程节选

The simple and inexpensive devices require minimal training to use, practically no sample preparation, and no electricity or additional equipment to process a sample.

UNESCO: House | United Nations Educational, Scientific and Cultural Organization

The length of the reference path is such that if no sample is present, the two daughter beams will be as perfectly in phase when they meet as they were when they were separated.

ECONOMIST: Microscopy

But there is no national sample of students who took both tests, so Pearson created its own theoretical sample.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned