yàn dìng ㄧㄢˋ ㄉㄧㄥˋ 验定（验定） 检验审定。 宋 周密 《齐东野语·绍兴御府书画式》：“用内府书印 绍兴 印。并降付 米友仁 验定。”
经验定则 empirical rule ; empiric rule
经验定律 empirical law
气体实验定律 experimental laws of gas
实验定律 experimental law
普遍经验定律 covering laws
验定瓶 assay flask
色谱验定法 chromatographic assay
经验定量方法 empirical quantitative approach
定期试验 periodic test ; routine test ; regular test ; [试验] periodical test
定期检验 periodical survey ; periodic inspection ; scheduled maintenance check
该类型熔炉是分析稀有金属、验定及其他旨在确定材料中稀有金属成分过程的理想产品。
This type of furnaces is ideal especially for analysis of rare metals and in assaying and other processes aimed at determination of the contents of are metals in materials.
本文论述了小容量计量器具检定系统存在的误差问题，并详细的分析了小容量计量器具的验定方式。
This paper discusses the errors in verification system of small volume measurement instrument, and gives a detailed analysis on the test ways of small capacity measuring instruments.
今天，我验定了一个理论的无用性，这又让我发现另外一个理论的无用，结果我们得出了一个全新的想法，它起了很大作用。
Today, I tested a theory that didn't work, which led me to different theory that didn't work, which spawned a totally new idea that seems to work really well.
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