参考椭球体 cān kǎo tuǒ qiú tǐ

DEFINITIONS

  1. reference ellipsoid (geodesy)

CHARACTERS

参 cān take part in, intervene; ginseng
考 kǎo examine, test; investigate
椭 tuǒ oval-shaped, elliptical, tubular
球 qiú ball, sphere, globe; round
体 tǐ body; group, class, body, unit; inferior