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单词 perisaturnium
释义 perisaturnium Astr.|ˌpɛrɪsəˈtɜːnɪəm|
[mod.L., f. peri- + Saturnus Saturn, after perijovium perijove, perihelium perihelion.]
That point in the orbit of any one of Saturn's satellites at which it is nearest to Saturn.
1838Penny Cycl. XI. 399/2 The rate of progression of the perisaturnium of any satellite.1867–77G. F. Chambers Astron. i. xiii. 152 The longitude of the peri-saturnium.1878Newcomb Pop. Astron. 556.
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