辐射点 meaning in English
radiant
◇辐射点 (分布)密度 radiant density
Examples
- The constellation leo will rise slowly in the east at midnight . at 5 am , the radiant will be around 70 degrees above the horizon
狮子座约在凌晨徐徐地在东方地平线升起，在凌晨5时，辐射点离地平线约70度 - Based on the analysis to the particularity of the cruise missile attacking , a complete recognition method based on the knowledge is developed
巡航导弹攻击目标的特殊性使得传统的基于块状目标和基于强辐射点源目标的识别方法不再适用，由此引入了基于知识的识别方法。 - Although the radiant of the leonids is close to the star adhafera zeta leonis , do not look directly at it . a distance between 40 to 60 degrees away from the radiant is optimal
虽然狮子座流星雨辐射点在轩辕十一附近，流星不一定出现在辐射点附近的天区，反而出现在辐射点40至60度以外的机会更大 - First , identify the constellation where the radiant lies . watch carefully the path of the meteors . if necessary , you can trace back the path as an imaginary straight line to see whether it intersects with the radiant
首先在星空中找出辐射点所在位置的星座，留心那些流星在天空的轨道，看其延长线是否落在这个辐射点的天区上。 - 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。