While airpollution and chemicals are believed to pose a major threat, our analysis determined that tourism served as the silent killer.
虽然空气污染和化学物质被确认为是主要的威胁,但我们的分析认定,旅游业也是一个无声的杀手。
2
According to experts' analysis, more than 70% of airpollution in cities results from autos.
据专家分析,城市空气污染70%以上是由汽车造成的。
3
Based on the analysis of contributing factors, a model of parameterized combination operator in airpollution forecasting is presented, which is suitable to nonlinear problems.