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
- 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。 - 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。 - Coral is formed by a process of accretion.
珊瑚是通过累积作用而形成的。 - 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。 - 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。 - 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。 - And astronomers, in fact, have seen evidence of spiral-wave patterns in accretion disks in some binary systems.
事实上天文学家已在一些双星系统的吸积盘中，看见螺旋波图样的证据。 - 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。 - 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。 - 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。