radiant strip

• 带状辐射源

radiant strip的用法和样例：

例句

1. But looking directly away from the radiant point, as in this view, perspective actually makes the Perseid meteors seem to be converging toward a point below the horizon.
   如果往流星雨位在英仙座内的辐射点看，这些平行的流星迹在视觉上像是在发散，但如果类似这幅影像往背离辐射源的方向看，视觉上这些英仙座流星的流星迹，像是将会聚到地平面下的某一点。