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单词 yottametre
释义

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yottametre
Prefixed to the names of units of measurement to denote a factor of 1024 (one million million million million; one thousand to the power of eight), as yottagram, yottametre, etc. Symbol Y.
ΚΠ
1991 Rapport de la 10e Session, Commité Consultatif des Uniés (Bureau Internat. des Poids et Mesures) u44 After further discussion along this line the CCU decided as follows:..10+21 zetta [symbol] Z... 10+24 yotta [symbol] Y.
1994 New Scientist 3 Dec. 81/1 The suggestion that the radius of the known Universe might be one yottametre is a couple of orders of magnitude too low.
2000 Wall St. Jrnl. 1 Jan. 10 (table) Downloading a one-yottabyte file over today's standard 58.6-kilobyte modems would require about 140 billion years.
2012 R. Dodd Using SI Units in Astron. vii. 105 There is no prefix in SI that is large enough for stellar masses, even the smallest mass in Table 7.2 would be given as 3.182 × 108 Yg (3.182 × 108 yottagrams).
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