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extinction
  • 英语发声
  • 美语发声
  • n. 灭绝;消失;消灭;废止
  • 网络释义

    1、[晶体] [天] [物]消光
    ...合物本身并不溶于常见的溶剂中,将这些不溶解的物质分散在液体介质中得到的是消光光谱而不是吸收光谱,测定的是消光(Extinction)而不仅仅是吸收(Absorption)。
    2、绝灭
    污染与捕获对种群系统的影响分析 Keywords: Population; Environmental Pollution; Capture; Persistence; Extinction [gap=305]关键词: 种群;环境污染;捕获;持续生存;绝灭
    3、[生物]灭绝
    7) 物种灭绝(extinction):陆地干涸,气候突变,环境的极度恶劣迫使恐龙大批迁徙 -..
    4、[电子]熄火
    ...史书上实在屡次爆发〔004年雅典(Athens)奥运会(Olympic Games),在两个最严重的典礼上易胜博最新备用网址都呈现过熄火(Extinction)情景,一次易胜博最新备用网址忽然有意扑灭,一次(Once)是由于微风气象?绕鹨馔庀ɑ穑?

    短语

    extinction ratio[晶体] 消光比;吸光比;消光率

    Starlight Extinction星光灭绝;星光灭尽;穆;一克斯迪克兄

    mass extinction[生态] 大量消亡;大灭绝;群绝灭

    oblique extinction斜消光

    wildlife extinction野生动物灭绝;动物灭绝

    undulatory extinction[光] 波动消光;波状消光;波荡消灭

    primary extinction[光] 初级消光;翻译;初级消光

    extinction agent灭火剂

    extinction meter消光计;[摄] 消光法曝光表;消光式曝光计;测光表

    专业释义

    电子、通信与自动控制技术
    • 熄火
    化学
    • 消光

      Results of experiments have testified that smoke generated by some formulas has improved the effect of extinction in infrared waves.

      实验结果表明,该文设计的某些配方在中、远红外波段消光效果明显。

      参考来源 - 浅析酚试剂分光光度法甲醛测定
      吸收度
    生物学
    • 灭绝

      By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.

      利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。

      参考来源 - 捕食
      绝种
      消光
      消失
      绝迹
      消光;熄灭
      消灭;消退
    物理学
    • 消光

      参考来源 - 光全散射法颗粒粒径分布反演算法的研究
    机械工程
    • 消光

      The paper relates to the extinction properties of red phosphorus mixtures - combustion smoke in the infrared spectrum .

      本文研究赤磷混合物燃烧生成固液粒子混合烟雾的红外消光性能。

      参考来源 - 赤磷燃烧生成固液粒子烟雾的红外消光研究
      熄火
    数学
    • 灭绝

      In chapter 4, the effects of impulses on the persistence and extinction of predator-prey systems are studied thoroughly.

      第四章我们建立并系统地分析了脉冲效应对捕食系统持久性和灭绝性的影响。

      By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.

      利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。

      参考来源 - 捕食
    法学
    • (权利等的)废除,取消;(债务等的)偿清
    环境科学技术
    • 灭绝

      Sandstorms is a kind of calamity weather interacted by both winds and sands, it’s formation is closely concerned with many factors,including the global greenhouse effects, forest decreased quickly,vegetation destroyed,species extinction and abnormal climate.

      沙尘暴是一种风与沙相互作用的灾害性天气,它的形成与地球温室效应、厄尔尼诺现象、森林锐减、植被破坏、物种灭绝、气候异常等因素有着不可分割的关系。

      参考来源 - 我国沙尘暴的防治与生态环境建设
      消亡
    能源科学技术
    • 熄火

      The low concentration and long switch-time will lead too much heat lost and extinction ultimately.

      浓度过低引起系统反应放热过少或者换向周期过长导致过多热量移出反应器都有可能发生“熄火”现象。

      参考来源 - 流向变换催化燃烧反应系统特性与数值模拟
    心理学
    • 消退

    英英释义

    extinction

    n.
      no longer in existence

      "the extinction of a species"

      同义词:defunctness

      no longer active; extinguished

      "the extinction of the volcano"

      the reduction of the intensity of radiation as a consequence of absorption and radiation complete annihilation

      "they think a meteor cause the extinction of the dinosaurs"

      同义词:extermination

      a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

      同义词:experimental extinction

      the act of extinguishing; causing to stop burning

      "the extinction of the lights"

      同义词:extinguishingquenching




    英汉双解大词典

    extinction /ɪkˈstɪŋkʃən/ star1 TEM4

    • 1.  

      N-UNCOUNT(不可数名词) The extinction of a species of animal or plant is the death of all its remaining living members. (物种的) 灭绝

      例:

      An operation is beginning to try to save a species of crocodile from extinction.

      一项行动正在展开来拯救一个鳄鱼种类使其免遭灭绝。

    • 2.  

      N-UNCOUNT(不可数名词) If someone refers to the extinction of a way of life or type of activity, they mean that the way of life or activity stops existing. (生活方式、活动的) 消亡

      例:

      The loggers say their jobs are faced with extinction because of declining timber sales.

      樵夫们说他们的工作因不断下降的木材销售而面临消亡。