大学英语词汇短语释义解析及例句 accretion
释义：
accretion n. 积聚层，冲积层；加，积聚（过程）；积淀物，增加物；吸积
[ 复数 accretions ]
例句：
A coral reef is built by the accretion of tiny, identical organisms.
珊瑚礁是由相同的微生物累积形成的。
The implication is that the gases in the mantle came not from the sun but from the early accretion of rocky material.
这意味着地幔中的气体不是来自太阳，而是来自岩石物质的早期积累。
Planets are believed to emerge from the accretion of particles in a disk of gas and dust as they whirl around the star.
行星被认为是由围绕恒星旋转的气体和尘埃组成的圆盘中的粒子累积而成。
Abstr: The blasting technology of removing iron making furnace accretion was introduced.
文章摘要：介绍了爆破清除大型炼铁高炉高温炉瘤的技术和经验。
Binary star systems containing a pulsar and an accretion disk occur beginning at about 14:30.
含有脉冲星和吸积盘的双星系统出现在大约1430的位置。
The Altai orogeny, as one of notable crustal accretion areas, is famous for its abundant mineral deposits.
阿尔泰造山带是中亚地区显生宙大陆地壳增生明显的地区之一，蕴藏丰富的矿产资源。
This has important significance for studying the Mesozoic crust-mantle mixing and the crustal accretion there.
这对研究西秦岭中生代壳幔混合作用和地壳增生有重要意义。
The jet is powered by accretion onto a supermassive black hole, one of the most massive black holes yet discovered.
喷流由（星系核心的）超大质量黑洞补充（物质、能量），该黑洞是已知质量最大的黑洞之一。
The selective accretion theory chalks it up to high gas density in the early solar system, during the planet's formation.
选择性附加理论写出它的高气体密度在早期太阳系，在行星的形成。
Broadcast functional accretion this to this locality , it may be said of its product train of thought " regression ".
此次对本地播放功能的添加，可谓其产品思路的一次“回归”。
More-recent work indicated massive stars could form by accretion after all, but researchers had not actually observed it.
更多最近的工作表明大型星体也可以通过积累形成，但是研究者还没有真正观察到这一天象。
The model comprising accretion onto a neutron star or black hole companion must still be considered a favored hypothesis.
在中子星或黑洞伴星上发生吸积的模型，仍应看成是一个有价值的假说。
The evidence was in the steady accretion of Gmail features like instant messaging, audio - and then video - chat, and so on.
这一点可以从不断增多的Gmail功能上得到印证，如Gmail增加了即时通讯、音频聊天以及后来的视频聊天等等。
In a one-star system like our solar system, the leading theory as to how the planets formed is through a process called accretion.
在单星系如我们的太阳系中，普遍认定行星是通过吸积的过程逐渐形成的。
For instance, most large projects grow by accretion as different developers extend or maintain the project over a period of years.
例如，大多数大型项目都是随着不同开发人员多年对其进行扩展或维护而逐渐增大的。
A supernova from a merger of two white dwarfs, on the other hand, would create significantly less X-ray emission than the accretion scenario.
相反，来自双白矮星并合的超新星产生的X射线辐射要比吸积少很多。
Because the accretion disk itself is believed to be magnetized, the rotation of the disk can twist the magnetic field lines into a helix.
为我们相信吸积盘本身是被磁化的，圆盘的旋转可将磁力线扭曲成螺旋线圈状。
These two 'anti-quasars' provide special laboratories for us to study some of the dimmest type of accretion even seen onto a supermassive black hole.
李志远说，“这两个反类星体为我们提供了一个特殊的实验室，去研究特大质量黑洞的一些最模糊的一类增值。”
Most black hole mass seems to come from direct consumption (called accretion) of gas, indicating that a black hole needs a surrounding galaxy to grow.
大多数黑洞聚集物看起来是直接从气体(叫做冲击层)的消耗中间来的，这表明一个黑洞的成长需要周围有一个星系。
In one - the 'accretion' model - small clumps of dust build up over millions of years to form a planet's solid core, which then pulls gases towards it.
一个被称作‘连生’模型，指尘埃碎块经过数百万年的时间聚集形成了一颗行星的固体核心，之后它将周围的气体俘获据为己有。
The scientists found the observed X-ray emission was a factor of 30 to 50 times smaller than expected from the accretion scenario, effectively ruling it out.
科学家发现，观测到的X射线辐射要比吸积模型预言的少上30到50倍，这有效地将该模型排除了。