搜索结果: 1-1 共查到“工学 global picture”相关记录1条 . 查询时间(0.093 秒)
Survey captures global picture of air pollution’s effects on birds(图)
global picture air pollution birds
2017/9/5
Famously, the use of caged birds to alert miners to the invisible dangers of gases such as carbon monoxide gave rise to the cautionary metaphor “canary in a coal mine.”But other than the fact that exp...