Anxiety status was related to hearing improvement level, tinnitus, poor disease knowledge and economic burden.

焦虑发生及程度受听力恢复程度、耳鸣、疾病知识缺乏及经济负担能力等因素影响；

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On the social level, improvement in the quality of life can contribute greatly to social harmony.

在社会层面，生活质量的提高非常有助于社会和谐。

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With the improvement of medical level, many incurable diseases can now be treated with drugs.

随着医疗水平的提升，许多不可治愈的疾病现在可以用药物治愈了。

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After each innovation and burst of performance improvement, gains level off, return-on-effort diminishes and results plateau out.

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Dr. Eugenia Ellis, a professor of engineering and architecture at Drexel University, who works with LED installations, said an efficiency improvement at the level Philips forecasts would be impressive.

NPR: Goodbye Fluorescent Bulb? Philips Says Yes.

Analysts partial to Toro emphasize its solid history of growth and margin improvement and its low level of debt.

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