incidence

C1 CET-4 Oxf 5000 大学 FREQ #39258 ★☆☆☆☆

n. 发生, 发生率, 影响, 负担者, 入射, 倾角 [医] 入射, 发生率, 发生数

发音

其它
/ˈɪn.sɪ.dəns/

词形变化

incidences 复数 incidences

教材释义与例句

名词

发生率；影响； 入射；影响范围

释义与例句

n. C1 Oxf 5000
  1. 1.

    The act of something happening; occurrence.

    可数 不可数
  2. 2.

    The extent or the relative frequency of something happening.

    可数 不可数
  3. 3.

    The manner of falling; bearing or onus, as of a tax that falls unequally.

    可数 不可数
  4. 4.

    The striking of radiation or a projectile upon a surface.

    可数 不可数 物理
  5. 5.

    A measure of the rate of new occurrence of a given medical condition in a population within a specified period of time.

    发病率

    发生率

    可数 不可数 医学
  6. 6.

    The falling of a point on a line, or a line on a plane.

    可数 不可数 数学
  7. 7.

    The relation between an edge of a graph and one of the vertices it connects.

    可数 不可数 数学

词汇关系

名词

上位词 2

frequency relative frequency

下位词 1

morbidity

相关短语

incidence matrix [化] 关联矩阵 incidence function incidence functions incidence matrices incidence matrixes angle of incidence [计] 入射角 [医] 入射角 angles of incidence

词源

From Middle French incidence, from Medieval Latin incidentia (“a falling upon”), from Latin incidens, present participle of incidere (“to fall upon”), from in (“on”) + cadere (“to fall”).

来源：wiktionary