periastron是什么意思 periastron在线中文翻译

periastron 英 [perɪ'æstrɒn] 美 [perɪ'æstrɒn]


periastron [perɪ'æstrɒn]

中文翻译
1
n. 近星点
英语释义
1
n. That point, in the real or apparent orbit of one star
2
revolving around another, at which the former is nearest to the latter.