流星群 meaning in English
meteor burst
meteor stream
meteor swarm
meteoric swarm
meteorid
meteoroid swarm
Examples
- The apparent celestial origin of a meteoric shower
流星群的辐射点明显的流星雨太空光源 - Major meteor stream
主要流星群 - A " meteor shower " occurs when our home planet encounters a relatively dense region of meteoroids in space . an unusually large number of meteors can then be seen streaming from a certain point in the sky known as the " radiant "
许多流星像从星空中某一点称为辐射点向外散射而出，其实流星群飞向地球时大致是平行的，辐射点是视觉上的透视象。 - The duration of twilight , details of equinoxes , solstices , eclipses , information on calendar , observation of meteor streams and planetary phenomena as well as climatological " normals " of hong kong and some major cities for each month of the year are also given in this publication
此外，年历内亦列出曙暮光的持续时间，以及春分、秋分、夏至、冬至、日食、月食、历法、流星群及行星观测等详尽资料。 - The numerical computation for the secular variable of the semi - major axis , solar distance at perihelion , orbital periods and longitude of perihelion has been made for fifteen meteor streams by using the solution of gylden - meshcherckii equations
利用g - m型变质量天体轨道根数变化方程的一阶和二阶解对15个流星群轨道半长轴、近日点距离、轨道周期和近日点经度因太阳质量损失造成的每世纪的长期改变效应做了数值计算，并得出计算结果。