研究的重点是改善轿车的流线型。

Research has focused on improving the car's aerodynamics.

《牛津词典》

尽管该地区在改善空气质量方面取得良好效果，但市长路易斯·马丁内斯·阿尔梅达还是反对将该地区作为其竞选活动的重点。

Mayor José Luis Martinez Almeida made opposition to the zone a centrepiece of his election campaign, despite its success in improving air quality.

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培训的重点主要是通过工人的参与提高生产力及改善工作条件。

The training focus is on both boosting productivity and improving working conditions through worker involvement.

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