基本释义
n.
近地点
相关例句
perigee
1.The expressions of aged rats and young rats arrived the peak value at I/R 1d, but the expression of aged rats dropped to perigee at 3d and then gradually upregulated, the expression of young group was attenuate gradualy between I/R1d and 6d and then escalated.
2.This paper presents the formula of the initial values of theorbital parameters—celestial longitude φ_0 of the sun,right ascension ofascending node Ω_0 and argument of perigee ω_0,used for calculating orbitalheat flux received by satellite.
