equinoctial circle天球赤道: celestial equator; equinocti ...圈: circle; ring天球赤道: astronomical equator; celestail equitor; celestial equator; equinoctial line天球赤道坐标系: astronomical equatorial coordinates天球赤道〃天球上与天极等距的大圆: celestail equitor下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:天球赤道圈，即可在微信中查询翻译
