经实践、成本不高，性能确可满足需要。

The practice has proved that it can meet the user's requirements with low costs.

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采用共聚合的方法，确可提高凝胶的相变温度。

RESULTS LCSTs of gels were increased by the method of copolymerization.

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这千真万确，比如，一项庞大的基础设施可带动筑路、发电站等配套设施建设。

This is true, for instance, of a big infrastructure drive to build roads, power stations and so on.

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