incidence
英 ['?ns?d(?)ns]
美['?ns?d?ns]
- n. 發(fā)生率；影響；[光] 入射；影響范圍
低頻詞CET4TEM4IELTSGRE考研TOEFLCET6常用詞匯
詞態(tài)變化
復數(shù):?incidences;
中文詞源
incidence 發(fā)生率
來自incident,偶發(fā)事件，發(fā)生。引申詞義發(fā)生率。
英文詞源
- incidence (n.)
- early 15c., "incidental matter," from Middle French incidence (15c.), from Late Latin incidentia (see incident (n.)). Meaning "act of coming into contact with" is from 1650s; sense in physics is from 1620s.
雙語例句
- 1. an area with a high incidence of crime
- 犯罪率高的地區(qū)
來自《權(quán)威詞典》
- 2. This area has a high incidence of crime, disease, unemployment, etc.
- 這個地區(qū)的犯罪率 、 發(fā)病率 、 失業(yè)率等很高.
來自《簡明英漢詞典》
- 3. The report analyses the incidence of cancer among people aged 0 - 24.
- 這份報告分析了從0 歲 到24歲的人的癌癥發(fā)病率.
來自《簡明英漢詞典》
- 4. The change in smoking is paralleled by a change in the incidence of lung cancer.
- 吸煙情況的變化與肺癌發(fā)病率的變化如影隨形。
來自柯林斯例句
- 5. It was noted that within a year the incidence of illness had increased quite significantly.
- 據(jù)觀察一年之內(nèi)發(fā)病率顯著上升。
來自柯林斯例句