The behavior of a galaxy's dark matter halo could affect its evolution and help determine whether it becomes a spiral or an elliptical, they added.
科学家们补充说，星系的暗物质晕可能会影响到星系自身的演化过程并决定星系的形态——椭圆状或者是涡旋状。
Note that each cylinder is contained within a spiral that represents an evolution.
注意到每个圆柱都包含于表示演进的螺旋中。
Objective to observe spiral ct pulmonary angiography (CTPA) signs of pulmonary embolism (PE) and the evolution of PE, to evaluate CTPA in differentiating acute PE (aPE) with chronic PE (cPE).
目的观察肺动脉栓塞(PE)的螺旋CT肺动脉造影(CTPA)征象及其演变，探讨CTPA区分急、慢性PE的价值。
Along with the controlling parameters 'changing, core rigidities will encounter spiral ascendance evolution.
随着控制参数的进一步改变，核心刚性得到螺旋上升式进化。
By studying the star formation history and chemical evolution of M31. and comparing with the Milky Way Galaxy, we are able to understand more about the formation and evolution of spiral galaxies.
在理论上研究其形成和演化历史，同时与银河系进行比较将非常有利于进一步理解旋涡星系的形成和演化过程。
Further, it analyzed how core rigidities realize spiral ascendance evolution when firms enter different operation zones with...
进一步，分析了随着控制参数的变化，企业进入不同的运行区域，核心刚性如何实现螺旋式进化的机制。
Further, it analyzed how core rigidities realize spiral ascendance evolution when firms enter different operation zones with...
进一步，分析了随着控制参数的变化，企业进入不同的运行区域，核心刚性如何实现螺旋式进化的机制。
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