Construct good external environment.
营造良好的外部环境。
It is difficult to express the good knowledge relation and construct a field knowledge model.
如何表示好知识关系，构建领域知识模型，难度很大。
Second, construct a quality information feedback system with high efficiency and good order.
其次要构建一个高效、有序的质量信息反馈系统；
Second, construct a quality information feedback system with high efficiency and good order.
其次要构建一个高效、有序的质量信息反馈系统；
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