galactic field的例句大全

determination of absolute proper motions for seven galactic field rr lyrae stars

7颗银河场天零RR型星绝对自行的测定

High precision measurements of absolute proper motion for Galactic field RR Lyrae stars on the reference frame from the Lick NPM catalogue enables the investigation of space motions for these stars based on more reliable data.

利用Lick天文台的NPM星表作为参考架，高精度地测定银河场天琴RR型星的绝对自行，可以使得对于这些恒星空间运动的研究建立在更加可靠的基础上。

At the sides of the well the magnetic field lines are quite high and rise steeply above the galactic plane.

在井的四边，磁力线相当高，并急剧地升到银道面以上。

The formation process of galactic shock wave is studied responding to an applied perturbed spiral gravitational field within initial axisymmetric gaseous disk, and the velocity and gas density distribution with the properties of galactic shock wave are obtained.

研究了在外加扰动螺旋引力场的作用下，轴对称气体盘中星系激波的形成过程。得到了星系激波的运动和密度分布特征。

Active Galactic Nucleus ( AGNs) have been an important branch and one of the most active frontiers in the field of modern astrophysics.

活动星系核（Active Galactic Nucleus）是现代天体物理学研究的重大前沿课题，涉及到天体物理学中最基本的问题。

In recent years, active galactic nuclei are very hot researching-fields in astrophysics. They are related to the most fundamental problems in astrophysics. The research of Active galactic nuclei is very important in many fundamental problems, such as producing-energy, radiant mechanism.

活动星系核（AGNs：Active Galactic Nuclei）是近年来天体物理学中非常活跃的研究领域，涉及天体物理学的最基本的问题，活动星系核的研究在能量产生，辐射机制等基本问题中占有重要的地位。

The initial uniform magnetic field will wind into the spiral structures in the galactic disk, in which the magnetic field and the interstellar gas are frozen together.

初始均匀的磁场将缠卷而在星系盘中形成螺旋形的结构，其中磁场和星际气体是冻结在一起的。