Presently China's tertiary industry structure is not reasonable and needs to be optimized.

但目前我国第三产业就业结构不甚合理，需要优化。

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Therefore, to fit for the water supply with different quality, the coagulation process needs to be optimized.

不同系列混凝剂具有不同的除浊、除有机物与除磷性能，需要结合分质供水的要求进行优化应用。

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The structure of the citation is proper to the knowledge fast diffusion, but the path needs to be optimized deeply.

科学学引文网络的整体结构适宜于知识快速流动，但是知识传播的路径还有待于进一步的改善。

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In this case, what needs to be optimized is the overall mission and core values of the institution.

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With an optimized delta certification for product approval, this secure service platform can be tailored to fit the needs of each individual NFC deployment.

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