Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.

从重量为百万分之一克的样品中提取有关行星宏观组成的信息是一个极为有趣的科学尝试实例。

《柯林斯英汉双解大词典》

The revised standard for infant formulae and those for special medical purposes is based on the latest scientific understanding of the composition of breast milk.

经修订的婴儿配方食品和特殊医用婴儿配方食品的标准以对母乳成分的最新科学认识为依据。

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Flue gas composition analysis technology is located at a very important position in industry and scientific research.

炉膛内部烟气成分分析技术在工业生产与科学研究中占有十分重要的地位。

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Each day, the scientific community collects millions of individual Earth observations, allowing us to examine, monitor, and model atmospheric composition, seismic activity, ecosystem health, weather patterns, and hundreds of other characteristics of our planet.

WHITEHOUSE: Office of Science and Technology Policy Blog