We candled the eggs to assure quality.

为保证质量，我们对着光检查了蛋。

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Assure quality control at all production phases and production line running in gear.

确保各生产阶段质量受控，支持生产线正常运行。

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Assure quality of services and test them, with respect to both functional and non-functional requirements.

保证服务质量并进行测试，按照功能性和非功能性需求。

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Also, the travel costs to tool up factories for a product can be exorbitant for a small startup, especially when it can sometimes mean that a company has to have a presence in the factory for up to several months to assure quality.

FORBES: Made in the USA: Bringing Industry Back Home

It must exercise its authority to assure "quality control" with respect to his picks for top national security cabinet posts.

CENTERFORSECURITYPOLICY: A World Without America

Make drugs like alcohol: tax them, regulate them, assure their quality, and turn a money hole into a source of income (folks are going to use them anyway).

FORBES: Ending the War on Drugs Could Help Fix the Federal Budget