Equinoctial circle
volume
British pronunciation/ˈɛkwɪnˌɒkʃəl sˈɜːkəl/
American pronunciation/ˈɛkwɪnˌɑːkʃəl sˈɜːkəl/

"equinoctial circle"的定义和意义

Equinoctial circle
01

the great circle on the celestial sphere midway between the celestial poles

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