释义 |
天文数字tiānwén shùzì指亿以上的极大的数字(因为天文学上用的数字极大,如天王星和太阳的平均距离是2.8691×10 14.公里)。{astronomical figure; enormous figure; figure above 100 million (as the figures used in astronomy are extremely large, for example, the mean distance of the Uranus from the sun is 2.8691×10 14.km.)} |