Objective: to further study concentration-response relationship between daily mortality and particulate air pollution, to provide scientific basis for making policy.

目的：研究颗粒物空气污染与居民每日死亡率暴露-反应关系，为环境决策提供科学依据。

youdao

Air kisses often practiced by celebs are another 'unemotional 'type of greeting. the study is due to be published next month in the scientific journal laterality.

明星常做的飞吻手势也是一种“缺乏感情”的问候方式。这项研究的结果将于下月在科学期刊《侧性》上发表。

youdao