“年周期”是天文学专有名词。
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项目建模:社会安全管理委员会的十年周期。
Project modeling in action: a decade in the life of the Social Security administration.
虽然,太阳活动目前在其标准的11年周期中逐渐增加,这种固定的周期持续了几千年。
While solar activity is currently increasing in its standard 11-year cycle, this same cycle has occurred over millennia.
整个展览的中心是一座古代大型祭祀神庙的雕刻,雕刻成神殿平台之形。 这座建于1507年的神庙用来标示古墨西哥历法中52年周期的结束。
The centrepiece is a teocalli, a massive votive sculpture in the shape of a temple platform, built in 1507 to mark the end of a 52-year cycle in the Mexica calendar.
Relative to the whole market, It's well known that over periods of multiple decades the market has a tendency to go up.
是和整个市场相关的对吗,我们都知道经过几十年的时间周期,市场会有上涨的倾向。
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