A staging portal fully isolates quality assurance testing from developers and business users.

登台门户完全将质量保证测试与开发人员和公司用户分离开来。

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It also raises questions about the quality assurance testing done by manufacturers and the carriers.

此外还引发了人们对制造商和电信运营商的质检测试的质疑。

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Fixing the found issues then requires a full iteration of late code changes by development and quality assurance testing personnel.

找到并修复这些问题，然后要求开发和质量保证测试的人员对最新代码变更进行完整的迭代。

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In a report on the incident issued by BP on September 8, the company admitted that "weaknesses in cement design and testing, quality assurance and risk assessment" contributed to the explosion, but put the blame fully on Halliburton.

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