Data federation does not reduce the cost of maintaining multiple data sources but greater benefits can be achieved due to integration and reuse of existing data sources.
数据联合并不会减少维护多个数据源的成本，但由于对现有数据源进行了集成和重用，可以获得更大的好处。
Objective To develop health education and further improve of care, improve medical quality, reduce the medical cost, maintaining pregnancy women healthy.
目的：开展健康教育和健康促进，提高医疗质量，降低医疗成本，维护产妇的健康。
Maintaining basically same quality of coke, the mixing of medium temperature pitch can appropriately reduce the mixed volume of high quality coking coal and fat coal, decrease the cost of mixed coal.
保持基本相同的焦炭质量，配入中温沥青后可以适当减少优质焦煤、肥煤的配量，降低配合煤成本。
During the ban grazing period, a low input maintaining feeding strategy should be adopted to reduce the animal-raising cost.
休牧期间采用低投入维持性饲养，可以显著降低饲养成本。
Additional contract not only helps to reduce the cost of compensation, but also helps to reduce the cost of maintaining the definition of property right.
协助性合约不仅协助减低补偿合约的费用，而且同时协助减低维持强制产权交换后的产权界定的费用。
Additional contract not only helps to reduce the cost of compensation, but also helps to reduce the cost of maintaining the definition of property right.
协助性合约不仅协助减低补偿合约的费用，而且同时协助减低维持强制产权交换后的产权界定的费用。
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