请输入您要查询的英文单词:
单词
mean distance
释义
mean distance
【
天
】
1.
(行星的远日点和近日点离太阳的)
平均距离
(为测定行星轨道必要的数据之一)
The earth's
mean distance
from the sun is about 92,900,000 miles.
地球远日点和近日点与太阳之间的平均距离为9290万英里。
2.
(恒星或行星等天体)
离轨道中心最大与最小距离的平均距离
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更新时间:2026/4/20 3:42:22