INCIDENCE是什么意思啊?

incidence matrix是什么意思 What is the incidence of the tax?这句话怎么翻译啊,搜索到的答案我无法理解 英语翻译The incidence of underlying carcinoma associated with Pa 英语翻译An alternative to the cumulative incidence sampling stra The incidence rate of cancer mainly stems from several facto 英语翻译：Dimensionless equation: normal incidence.求大神指教,谢谢啦! In California the drop in the incidence of lung cancer has b 英语翻译The disease has an estimated incidence of 1 per million 英语翻译the actual HIV incidence in the city state of 3.9million solo是什么意思是什么意思啊? 曼佗罗是什么意思是什么意思啊? 是什么意思 是什么意思啊?