| 释义 |
megaparsec 英音 [ ˈmeɡəˌpɑːsek ] 美音 [ ˌmeɡəˈpɑːrˌsek ] 释义 n. [天] 百万秒差距 例句 1·The most widely accepted value for the Hubble constant right now is 72 kilometers per second per megaparsec , obtained by the Hubble Space Telescope. 目前哈勃常数最被广泛认可的值是每秒每百万秒差距72千米,这个值是由哈勃空间望远镜测出的。
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