perfect three-body model is used in the numerical simulation of interacting galaxies for studying whether merging disk galaxies make elliptical galaxy.

1、

the light from an elliptical galaxy is brightest in the center and gradually becomes fainter toward its outer regions.

从椭圆星系发出的光在中心部分最亮越靠近边缘越暗淡。

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2、

review on the research in dynamics of elliptical galaxy

椭圆星系一些动力学问题研究的进展

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3、

the logic of multilateral trade negotiation mechanism: an explanation to new trade theory

多边贸易谈判机制的逻辑：一种新贸易理论的解释

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4、

divergences and countermeasures confronted by wto in the new multilateral trade negotiation

世贸组织新一轮多边贸易谈判面临的分歧及应对措施

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5、

the researchers first used the hubble space telescope to track the dwarf galaxy leo i, which at 850000 light-years away is one of the most distant of the satellite galaxies swarming around the milky way.

研究人员首先使用哈勃太空望远镜来跟踪狮子座白矮星一号，它距离银河系85万光年，是围绕银河系运转的最远的卫星星系。

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6、

a new estimate, based on its effect on the motion of a nearby dwarf galaxy, has the milky way a bit beefier than some past measurements that relied on the motions of massive stars.

基于银河系对毗连的矮星系的引力作用，研究人员作出一项新的估计：银河系比过去的测量更强大。过去的测量是以大质量恒星的运动为基础。

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7、

astronomers think it's a failed dwarf galaxy that lacked the requisite mass to produce stars.

天文学家们认为它是缺乏必要存在物而不能产生新星的已经衰败的矮星星系。

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8、

dj series tray with rectangular suspending downcomer has 30%~50% higher liquid capacity than common trays with arch downcomer .

新型高效大通量DJ系列塔板采用矩形悬挂式降液管，液体通量可比一般塔板提高30%~50%。

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9、

sih have obvious of the image change, it basic reason is the brain ridge liquid capacity de- crease and brain organization move.

原发性低颅压有明显的影像学改变，其根本原因是脑脊液容量减少和脑组织移位。

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10、

comparing the calculated mass and the total mass of the light-emitting galaxies in the galaxy cluster would determine the amount of dark matter that exists in the galaxy cluster.

把计算出的质量和星系团中发光星系的总质量相比较，就能确定出星系团中存在多少暗物质。

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11、

the structures of two-dimensional distributions for galaxy cluster subsamples of different richness

不同富性的星系团子样本的二维分布结构

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12、

this particular galaxy cluster has a mass of over one million billion suns.

这个星团的质量有超过10的15次方个太阳那么大。

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13、

recent progress of the studies of coma galaxy cluster

Coma星系团的研究进展

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14、

okay, if i take an image of a galaxy cluster,

如果我拿出一幅星团的照片，

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15、

well, here is an image of a particular galaxy cluster.

这里是某个星团的一张照片。

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16、

radial velocity membership probabilities of galaxies in 8 rich galaxy cluster regions

8个富星系团天区中星系的视向速度成员概率

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17、

the gravitational pull of the galaxy cluster acted like a lens.

在万有引力的作用下，星系团就相当于晶状体。

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18、

neutralization& reionization mass spectrometry ( nrms) has widespread attention because of its successful synthesis of small molecules in gas phase which is unstable in condensed phase.

中和再电离质谱法由于在气相能合成一些凝缩相中不稳定的小分子而受到注目。

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19、

cosmological constant and high redshift galaxy observation

宇宙学常数与高红移星系观测

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20、

new evidences and recognition on cosmological redshift of qsos

关于类星体宇宙学红移的新证据和新认识

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