But problems with Boeing's far-flung outsourced supply chain and engineering and quality-control issues have bedeviled the program.
但由于波音广泛外包的供应链出现问题，再加上工程和质量控制方面的问题，波音的787项目不得不一再推迟。
Quality control according to the international quality control standards and methods must be taken if the Chinese enterprise want to be a member of the global industry chain.
企业要想加入全球产业链之中，就必须按照国际统一的质量管理标准和方法进行质量管理。
Food quality control laboratories could use this new tool to detect these drugs before they enter the food chain.
食品质量控制实验室可以利用这个新的工具在他们进入食物链之前来检测来检测这些药物。
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