accretion

英 [əˈkriːʃn]

美 [əˈkriːʃn]

n.  积聚层; 堆积层; 堆积，积聚(过程)

复数：accretions　

GRE化学

BNC.22082 / COCA.17492

牛津词典

noun

• 积聚层；堆积层
  a layer of a substance that is slowly added to sth
• 堆积，积聚（过程）
  the process of new layers being slowly added to sth

柯林斯词典

• N-COUNT 增加物;添加物
  Anaccretionis an addition to something, usually one that has been added over a period of time.
  1. The script has been gathering editorial accretions for years.
     多年来该剧本一直在修改。
• N-UNCOUNT 添加；累积
  Accretionis the process of new layers or parts being added to something so that it increases in size.
  1. A coral reef is built by the accretion of tiny, identical organisms.
     珊瑚礁是由许多相同的微生物不断堆积而成。

英英释义

noun

• (law) an increase in a beneficiary's share in an estate (as when a co-beneficiary dies or fails to meet some condition or rejects the inheritance)
• an increase by natural growth or addition
  Synonym:accumulation
• (geology) an increase in land resulting from alluvial deposits or waterborne sediment
• (biology) growth by addition as by the adhesion of parts or particles
• (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
• something contributing to growth or increase
  1. he scraped away the accretions of paint
  2. the central city surrounded by recent accretions

双语例句

• Analysis Methods and Its Development about Effect of Ice Accretion on Aircraft Flight Dynamics Characteristics
  结冰对飞机动力学特性影响的分析方法及其进展
• The result has been 80 years since the first world war of a steady accretion of power to ministers.
  其结果是自第一次世界大战以来内阁大臣们的权力不断扩大的情况已有80年了。
• North following star In the same way, ultraviolet photons from accretion disks around white dwarfs and in active galactic nuclei or quasars may also accelerate winds from the disk.
  同样地，来自白矮星、跃星系核或类星体吸积盘的紫外光光子，或许也能够加速从圆盘吹出的风。
• A qualitative analysis of erosion and accretion in meandering streams using vortex
  利用涡旋定性分析弯曲河道的剥蚀和增生
• Indicator of evolution history of early solar nebula& accretion and formation process of different type of meteorite parent body
  早期太阳星云演化历史的指示剂&不同类型陨石母体的吸积和形成过程
• The script has been gathering editorial accretions for years.
  多年来该剧本一直在修改。
• In this thesis, using the new model of anomalous viscosity, we discuss the structure of magnetized thin accretion disks, the magnetic instability in the accretion disks and.
  本文主要利用这种全新的反常黏滞机制，讨论了磁化薄吸积盘的结构、吸积盘的磁不稳定性以及反常耗散对磁旋转不稳定性的影响。
• This formation, called an accretion disk, may be very important in some stellar birth sequences.
  这种构成物即所谓吸积盘，它在恒星诞生的某些阶段可能是非常重要的。
• The ice accretion geometric characteristics have complex effects on airfoil aerodynamic coefficients.
  积冰几何形状对翼型气动系数的影响是复杂的。
• It is useful to solve accretion of estimation error and filter divergence in practice.
  这将有助于解决卡尔曼滤波器在实际应用中估计误差增大和滤波发散等问题。