persistence

B2 CET-4 大学 FREQ #22571

n. 固执, 坚持不懈, 持续(性), 存留(状态) [电] 持久

发音

UK /pəˈsɪst(ə)ns/
其它

词形变化

persistences 复数 persistences

别名

persistance

教材释义与例句

名词

持续;固执;存留;坚持不懈;毅力

释义与例句

n. B2
  1. 1.

    The property of being persistent.

    坚持

    可数 不可数

    You've got to admire her persistence. She's asked him out every day for a month even though she keeps turning him down.

  2. 2.

    Of data, the property of continuing to exist after the termination of the program.

    可数 不可数 计算机 工程 数学

    Once written to a disk file, the data has persistence: it will still be there tomorrow when we run the next program.

  3. 3.

    Continuation of the previous day's weather (particularly temperature and precipitation statistics).

    可数 不可数 气象
  4. 4.

    The number of times an operation can be iteratively applied to a number before it reaches a permanently constant state.

    可数 不可数 数学

    The persistence of the number 39 under the operation of multiplying the digits of the number is three, because 3x9 = 27, 2x7 = 14, and 1x4 = 4, and no further iterations will change the number again.

词汇关系

相关短语

词源

From Middle French persistance.

来源:wiktionary