English - Vietnamese Dictionary
incidence /'insidəns/Concise Dictionary
- danh từ
- sự rơi vào, sự tác động vào
- what is the incidence of the tax?: thuế đó ai phải chịu?, thuế đó rơi vào ai?
- (toán học), (vật lý) sự rơi, sự tới
- point of incidence: điểm rơi
- angle of incidence: góc tới
- oblique incidence: sự tới xiên góc
- normal incidence: sự tới thẳng góc
- phạm vi ảnh hưởng, phạm vi tác động
- (y học) tỷ lệ mắc phải (bệnh gì)
- a low incidence of tuberculosit: tỷ lệ mắc bệnh lao thấp
+the relative frequency of occurrence of something
+the striking of a light beam on a surface
Advanced English Dictionary
frequency, rate, degree, extent, occurrence, prevalence; quantity, amount, number:
The incidence of heart disease is high in Britain.
+ nounCollocation Dictionary
1 [C, usually sing.] ~ of sth (written) the extent to which sth happens or has an effect: an area with a high incidence of crime / disease / unemployment
2 [U] (technical) the way in which a ray of light meets a surface: the angle of incidence
There is a greater incidence of cancer in the families of radiation workers.
| low | increased/increasing, rising | actual | overall | annual | recorded
the highest recorded incidence of air pollution
VERB + INCIDENCE
The country had the lowest incidence of Aids cases proportional to its population. The medical histories of our patients show a high incidence of past diseases.
| increase, raise | reduce | find
They found an increased incidence of childhood leukaemia in some areas.
| measure | compare
We compared the incidence of coronary heart disease and total mortality.
| analyse, consider, investigate | explain
The lack of vitamins may explain the higher incidence of heart disease.
INCIDENCE + VERB
increase | decrease, fall
INCIDENCE + NOUN
an incidence rate of 4 or 5 per 10,000 of the population
The report analyses the incidence of cancer among people aged 0?24.
| ~ in
The study noted an increased incidence of heart disease in women.
a decrease/an increase/a variation in the incidence of sth
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