Pleistocene Extinctions 更新世的大灭绝
space group extinctions 空间群消灭
Mass Extinctions 大灭绝 ; 大毁灭
Mother of all mass extinctions 大规模灭绝之母
Sixth mass extinctions 第六次物种大灭绝
New fears for species extinctions 物种灭绝引发新的担忧
extinctions and anabiosis 生物灭绝与复苏
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 - 探索赤磷发烟剂衰减红外辐射的技术途径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。
参考来源 - 时变种群动力系统解的渐近性态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·2,447,543篇论文数据，部分数据来源于NoteExpress
"the extinction of a species"
同义词： defunctness
"the extinction of the volcano"
"they think a meteor cause the extinction of the dinosaurs"
同义词： extermination
"the extinction of the lights"
同义词： extinguishing quenching
以上来源于: WordNet
N-UNCOUNT The extinction of a species of animal or plant is the death of all its remaining living members. (物种的) 灭绝
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。
N-UNCOUNT 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
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。
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