The total quality of physical experiment is obviously improved by using this system.

这一系统显著提高了物理实验的整体质量。

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The product quality is obviously improved and the cost is greatly decreased by using this new technology.

通过此工艺加工过滤板， 产品质量有明显提高，且大大降低了成本。

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Investment in education has been constantly increased, and schooling conditions have been obviously improved.

教育投入不断加大，办学条件明显改善。

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His English wasn't great but it vastly improved obviously because he began working in other theatres like the Met and Covent Garden.

BBC: Pavarotti: 50 years since singer's forgotten UK debut