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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
      1. 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)
          1. an increase by natural growth or addition
              Synonym:accumulation
            1. (geology) an increase in land resulting from alluvial deposits or waterborne sediment
              1. (biology) growth by addition as by the adhesion of parts or particles
                1. (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
                  1. 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

                  • 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 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
                  • The Accretion of Global Cosmic Strings in the Nonlinear Gravitational Theory
                    非线性引力理论中整体宇宙弦的吸积
                  • 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。
                  • Accretion Disk and Angular Momentum Loss During Formation of a Star in the Nebular Disk
                    吸积盘与恒星在星云盘中形成时的角动量损失
                  • The script has been gathering editorial accretions for years.
                    多年来该剧本一直在修改。
                  • 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
                  • 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 blasting technology for removing phosphorous furnace accretion was introduced.
                    介绍了黄磷电炉采用爆破法清除炉瘤的技术和经验。
                  • 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。