Nor do they account for regional characteristics of the disease cycle: malaria behaves differently in Africa compared to South America, for example.
它们也没有考虑到这种疾病周期的区域特征：例如，疟疾在非洲的行为与在南美的行为不同。
2
Additionally, prediction models can take into account cyclical patterns, such as a seven day weekly cycle or a quarterly cumulative sales trend.
此外，预测模型还可以考虑使用循环模式，如七天的周循环或每季度累计销售趋势。
3
That, in turn, will increase America's oil-import bills, which will add to the current-account deficit and therefore heap further pressure on the dollar, setting a vicious cycle in motion.