incidence
美音:[´ınsədəns
]
英音:[´ınsədəns
]
n.落下的方式,影响范围,[物理]入射
难易程度:
incidence为短语/超纲词汇
词频:3844
词根
cad＝to fall（落下） 变化型 cid，cas
近义词, 同义词
incidence
/'ɪnsɪdəns; `ɪnsədəns/
n [sing]
1 ~ of sth extent to which sth happens or has an effect 事情发生或具有影响的程度; 发生率; 影响范围
*This area has a high incidence of crime, disease, unemployment, etc. 这个地区的犯罪率、发病率、失业率等很高.
2 way in which a ray of light strikes a surface 光线向物体表面的照射; 入射
*the angle of incidence 入射角.
n [sing]
1 ~ of sth extent to which sth happens or has an effect 事情发生或具有影响的程度; 发生率; 影响范围
*This area has a high incidence of crime, disease, unemployment, etc. 这个地区的犯罪率、发病率、失业率等很高.
2 way in which a ray of light strikes a surface 光线向物体表面的照射; 入射
*the angle of incidence 入射角.
incidence
n [C usually singular]formal
the number of times something happens, especially crime, disease etc
→rateincidence of
Why did the incidence of heroin use continue to climb?
high/low etc incidence
Smokers had the highest incidence of colds.
the number of times something happens, especially crime, disease etc
→rateincidence of
Why did the incidence of heroin use continue to climb?
high/low etc incidence
Smokers had the highest incidence of colds.
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