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TOEFL IELTS BNC: 3906 COCA: 5847

incidence

noun
 
/ˈɪnsɪdəns/
/ˈɪnsɪdəns/
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  1.  
    [countable, usually singular] incidence of something (formal) the extent to which something happens or has an effect发生范围；影响程度；发生率
    • an area with a high incidence of crime犯罪率高的地区
    Extra Examples
    • The country had the lowest incidence of AIDS cases proportional to its population.相对于人口而言，该国艾滋病发病率是最低的。
    • The lack of vitamins may explain the higher incidence of heart disease.缺乏维生素也许是心脏病发病率较高的原因。
    • There is a greater incidence of cancer in the families of radiation workers.接触放射性物质的工作人员，其家属的癌症发病率要更高一些。
    • the highest recorded incidence of air pollution有记录以来最高的空气污染发生率
    Oxford Collocations Dictionaryadjective
    • great
    • high
    • peak
    • …
    verb + incidence
    • have
    • show
    • increase
    • …
    incidence + verb
    • increase
    • decrease
    • fall
    • …
    incidence + noun
    • rate
    preposition
    • incidence among
    • incidence in
    phrases
    • a decrease in the incidence of something
    • an increase in the incidence of something
    • a variation in the incidence of something
    • …
    See full entry
  2. [uncountable] (physics物理) the way in which light meets a surface入射（角）
    • the angle of incidence入射角
    3. Word Originlate Middle English (denoting a casual or subordinate event): from Old French, or from medieval Latin incidentia, from Latin incidere ‘fall upon, happen to’, from in- ‘upon’ + cadere ‘to fall’. Sense (1) dates from the early 19th cent.
TOEFL IELTS BNC: 3906 COCA: 5847
incidence

noun

ADJECTIVE | VERB + INCIDENCE | INCIDENCE + VERB | INCIDENCE + NOUN | PREPOSITION | PHRASES ADJECTIVE➤great, high很高的發生率；高發生率◇There is a greater incidence of cancer in the families of radiation workers.接觸放射性物質的工作人員，其家屬的癌症發病率要更高一些。➤peak發生率高峰➤low低發生率➤growing, increased, increasing, rising增長的發生率；增加的發生率；上升的發生率➤decreased, reduced降低了的發生率➤actual實際發生率➤overall總體發生率➤annual年度發生率➤recorded, reported有記錄的／報道的發生率◇the highest reported incidence of air pollution有報告以來最高的空氣污染發生率VERB + INCIDENCE➤have, show有⋯發生率；顯示發生率◇The country had the lowest incidence of AIDS cases proportional to its population.相對於人口而言，該國艾滋病發病率是最低的。◇The medical histories of our patients show a high incidence of past diseases.我們的病人病歷表明他們大都有既往病史。➤increase提高發生率➤decrease, reduce減少發生率➤find發現發生率◇They found an increased incidence of childhood leukaemia in some areas.他們發現有些地區兒童白血病發病率上升。➤measure測算發生率➤compare比較發生率◇We compared the incidence of coronary heart disease and total mortality.我們把冠心病的發病率與總死亡率作了比較。➤analyse/analyze, assess, determine, examine, investigate分析／評估／查明／調查／研究發生率➤explain解釋發生率◇The lack of vitamins may explain the higher incidence of heart disease.缺乏維生素也許是心臟病發病率較高的原因。INCIDENCE + VERB➤increase發生率上升➤decrease, fall發生率降低INCIDENCE + NOUN➤rate發生率◇an incidence rate of 4 or 5 per 10 000 of the population發生概率為每 1 萬人中 4 至 5 人PREPOSITION➤incidence among在⋯當中的發生率◇the incidence of cancer among people人的癌症發病率➤incidence in⋯中的發生率◇The study noted an increased incidence of heart disease in women.該研究發現女性心臟病發病率有所上升。PHRASES➤a decrease in the incidence of sth, an increase in the incidence of sth, a variation in the incidence of sth⋯發生率的降低／增加／變化
TOEFL IELTS BNC: 3906 COCA: 5847
TOEFL IELTS BNC: 3906 COCA: 5847

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