搜索结果: 1-2 共查到“预防医学与卫生学 quickly”相关记录2条 . 查询时间(0.051 秒)
Conversation quickly spreads droplets inside buildings（图）
Conversation quickly spreads droplets inside buildings
2020/10/10
With implications for the transmission of diseases like the flu, U.S. National Science Foundation-funded researchers have found that ordinary conversation creates a conical 'jetlike' airflow that...
Few problems in developing countries are as gut-wrenching as high infant mortality — and yet it is a problem that has solutions. A policy change in Thailand’s health care system has quickly led to sig...