赤经

赤经 [chì jīng]

1. ■ {天} right ascension

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常用词组

1. ■ 赤经差 ascensional difference;

2. ■ 赤经度盘 hour circle;

3. ■ 赤经圈 declination circle; right ascension circle;

4. ■ 赤经岁差 precession in right ascension;

5. ■ 赤经相冲 opposition in right ascension