根据亚稳离子分析和精确质量测量数据推断了它们的碎裂规律。
The fragmentional pathways have been proposed on the basis of accurate mass measurement and metastable transition.
项目评估给项目管理者精确的和客观的项目信息，以测量项目的进展和质量，并可以根据这些信息作出关键的项目决策。
Project assessments give project managers accurate and objective project information to measure progress and quality and make critical project decisions based on that information.
比如说你可以用渗透压测量分子质量，因为水柱很高，所以你可以，精确地测量，水柱的高度。
If you want to determine a molecular weight, for example. Because it's so high, that means, and of course you can measure that height pretty accurately.
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