英语词汇“Greenwich Mean Time”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

noun

mean solar time on the 0° meridian passing through Greenwich, England, measured from midnight: formerly a standard time in Britain and a basis for calculating times throughout most of the world, it has been replaced by an atomic timescale

Abbreviation: GMT. universal time

▶ USAGE The name Greenwich Mean Time is ambiguous, having been measured from mean midday in astronomy up to 1925, andis not used for scientific purposes. It is generally and incorrectly used in the senseof universal coordinated time, an atomic timescale available since 1972 from broadcast signals, in addition tothe earliest sense of universal time, adopted internationally in 1928 as the name for GMT measured from midnight

单词	Greenwich Mean Time
释义	Greenwich Mean Time or Greenwich Time noun mean solar time on the 0° meridian passing through Greenwich, England, measured from midnight: formerly a standard time in Britain and a basis for calculating times throughout most of the world, it has been replaced by an atomic timescale Abbreviation: GMT. universal time ▶ USAGE The name Greenwich Mean Time is ambiguous, having been measured from mean midday in astronomy up to 1925, andis not used for scientific purposes. It is generally and incorrectly used in the senseof universal coordinated time, an atomic timescale available since 1972 from broadcast signals, in addition tothe earliest sense of universal time, adopted internationally in 1928 as the name for GMT measured from midnight
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