incidence
US /ˈɪn.sɪ.dəns/
UK /ˈɪn.sɪ.dəns/
1.
發生率, 發病率, 發生
the occurrence, rate, or frequency of a disease, crime, or other undesirable thing
:
•
The incidence of measles has decreased significantly due to vaccination.
由於疫苗接種，麻疹的發病率顯著下降。
•
There was a high incidence of crime in the area last year.
去年該地區的犯罪發生率很高。
2.
入射, 影響, 作用方式
the way in which something happens or arises
:
•
The incidence of light on the surface affects its color.
光線在表面上的入射方式會影響其顏色。
•
We need to study the incidence of various factors on the outcome.
我們需要研究各種因素對結果的影響方式。