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lunar nutation
释义
lunar nutation
lunar nutation
[
′lü·nər nü′tā·shən
]
(astronomy)
A nodding motion of the earth's axis caused by the inclination of the moon's orbit to the ecliptic; it can displace the celestial pole by 9 seconds of arc from its mean position and has a period of 18.6 years.
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cll-m
cllm
clln
cllo
clloa
cllp
cll-prca
cllps
cllq
cllr
conscionably
-conscious
conscious
conscious, alert, and oriented
conscious analgesia
conscious breathing
conscious connected breathing
conscious-connected breathing
conscious dream
conscious dreaming
conscious immobility
consciously
conscious manifestation
conscious mental rest
conscious mind
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更新时间:2026/9/29 12:27:40