Evolution of stars of all masses takes place on a hydrodynamic time scale.

各种质量的恒星的演化，均以流体力学的时间尺度进行。

youdao

The first chapter discusses the Mongolian text of myth and evolution of stars.

第一章，探讨了蒙古族星辰神话的文本及其演变。

youdao

The theoretical study of nuclear structure and the origin and evolution of stars elements of nuclear and cosmic ray problem.

原子核理论研究恒星的结构和演化﹐元素的起源和核合成﹐以及宇宙线问题。

youdao

Those infrared emissions will allow the telescope to peer through cosmic dust and gas to see things like the evolution of early stars and galaxies.

VOA: standard.2009.05.14