Purity also facilitates testing, for instance through QuickCheck, especially if the program is structured around a lot of small functions combined together.

纯洁性也有利于测试，尤其当程序的结构是由许多小函数嵌合而成的时候；比如Haskell的纯洁性就有效地降低了通过QuickCheck（译注：Haskell开源测试框架）进行测试的难度。

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Records are maintained of specifications, supplier qualification and testing to ensure product meets purity, strength and composition.

保留规格，供应商资质与测试记录以保证产品满足纯度，功能与组成。

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GC-MS method of testing was carried on quantitative analysis to the monomer purity after being purified finally, the result was revealed that is up to 95% for the purity after being purified.

采用GC - MS测试方法对提纯之后的单体纯度进行定量分析，结果显示为提纯之后的单体纯度达到了95%。

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The only solution is testing for purity at every point in the supply chain, says Mr Harl.

ECONOMIST: Genetically modified crops

She told reporters Friday that manufacturers are making unprecedented amounts of vaccine, but difficulties growing the vaccine, as well as time-consuming potency and purity testing, are contributing to the delay.

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