Aiming at the problem of software system reliability and cost distribution, an optimal model for software component cost distribution based on reliability is proposed.

针对软件系统可靠性和费用分配问题，给出了一种基于可靠性的软件构件费用分配最优模型。

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Aiming at the problem of data sparsity for collaborative filtering, a novel rough set-based collaborative filtering algorithm is proposed.

针对协同过滤中的数据稀疏问题，提出了一种基于粗集的协同过滤算法。

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Aiming at the problem of produced water drainage of oil fields, this paper performs a study on displacement with polymer solution diluted with produced water.

针对油田采出污水外排的问题，开展了污水稀释聚合物驱油研究。

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Ding, Senior Investigator at the Gladstone Institute of Cardiovascular Disease and a professor at University of California San Francisco, is one of the scientists aiming to solve this problem by generating stem cells using chemical methods.

FORBES: Scientist Shows How Small Molecules Generate Better Stem Cells