accretion
英 [əˈkriːʃn]
美 [əˈkriːʃn]
n. 积聚层; 堆积层; 堆积，积聚(过程)
复数：accretions
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.- The script has been gathering editorial accretions for years.
多年来该剧本一直在修改。
- The script has been gathering editorial accretions for years.
- N-UNCOUNT 添加；累积
Accretionis the process of new layers or parts being added to something so that it increases in size.- 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。
- A coral reef is built by the accretion of tiny, identical organisms.
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
- (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
- he scraped away the accretions of paint
- the central city surrounded by recent accretions
双语例句
- Both halftone dot accretion and relative contrast are the important parameters of printing quality control system based on density.
网点增大和相对反差是基于密度的印刷质量控制体系中两个重要的控制参数。 - In fact, this process of accretion is more efficient at releasing energy than even nuclear processes.
事实上，这种聚集过程的能量释放比原子能释放过程更加有效。 - Infalling gas may first collide not only with itself but with an accretion disk of swirling material surrounding the black hole.
正在下落的气体不但会先和自身发生碰撞，还会和黑洞周围盘旋着的物质吸积盘相互碰撞。 - It is well known that accretion disks are hydrodynamic disks with anomalous viscosity.
天体物理吸积盘是具有反常粘滞的流体盘。 - X-ray observations of iron in the accretion disks may actually be showing the effects of such a massive black hole as well.
同时，铁的X射线对这种吸积现象的观察资料实际上也可以反映这种巨大黑洞的影响。 - The Mass and Angular Momentum Loss from the Edge of the Accretion disc and the Evolution of Cataclysmic Binaries
吸积盘边缘的质量和角动量损失与激变双星的演化 - 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。 - For example, some accretion disks in binary star systems occasionally undergo large, temporary increases in luminosity.
例如，有些双星系统里的吸积盘，偶尔会短暂地大幅增加亮度。 - Coral is formed by a process of accretion.
珊瑚是通过累积作用而形成的。 - 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。