All the materials in the warehouse shall follow First-in-first-out principle. Regular check is required to avoid exceeding shelf life.

仓贮的所有原材料应做到先进先出，定期检查、防止过期。

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Adhering to out principle of introducing excellent hotels to our readers, "Grand hotels" came to take a close look at Regal Jinfeng hotel.

秉承着在第一时间向读者介绍优秀酒店的原则，《大酒店》一行人来到了富豪金丰酒店。

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This article introduces working-out principle and method of price standard for construction enterprise and some thoughts about establish quotation system for construction enterprise.

本文提出了施工企业定额的编制原则、编制方法；介绍了作者关于建筑企业建立投标报价体系的思考。

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(Recording) He says parliament could come up with an electoral law within a few months, but out of principle, the people should decide the fate of the law and express their views about the upcoming election.

VOA: standard.2009.10.26

Anything that's built up out of parts, you could at least in principle worry about the parts coming apart and hence the thing being destroyed.

任何由部分组成的东西,至少原则上讲你都可以担心,这个东西会四分五裂，走向毁灭。

耶鲁公开课 - 死亡课程节选

There's a very important principle that finally comes out here, it is that you always want to reduce the variance of your portfolio as much as you can.

现在这里有一个非常重要的原则，即你总是想要降低你投资组合的方差,降得越低越好。

耶鲁公开课 - 金融市场课程节选

Many, such as Fidelity, the world's largest retail-fund firm, rule them out on principle.

ECONOMIST: Banking in China

But he also worries about turning away great ladies who wouldn't pay a fee out of principle.

WSJ: Metro Money: Measuring Up for Matches

Nick believes that Kent is in jail out of principle and not deceit.

FORBES: Are Tax Protesters Actually Winning ?