eccentricity

C2 大学

n. 古怪, 古怪行为, 怪癖 [化] 偏心度; 偏心距; 偏心率

发音

US /ˌɛk.sɛnˈtɹɪs.ɪ.ti/
US /ˌɛk.sənˈtɹɪs.ə.ɾi/

词形变化

eccentricities 复数 eccentricities

别名

excentricity

教材释义与例句

名词

古怪;怪癖; 离心率

释义与例句

n. C2
  1. 1.

    The quality of being eccentric or odd; any eccentric behaviour.

    可数 不可数
  2. 2.

    The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix.

    离心率

    可数 不可数 数学

    For an ellipse, the eccentricity is the ratio of the distance from the center to a focus divided by the length of the semi-major axis.

  3. 3.

    The eccentricity of the conic section (usually an ellipse) defined by the orbit of a given object around a reference object (such as that of a planet around the sun).

    可数 不可数 天文
  4. 4.

    The farthest distance from a vertex to any other vertex.

    可数 不可数 数学

词汇关系

词源

From eccentric + -ity.

来源:wiktionary