埃迪卡拉纪从六亿三千五百万年前持续到五亿四千二百万年前，是近一个多世纪以来科学家命名的第一个新的地质时期。
The Ediacaran Period, from 635 to 542 million years ago, is the first new geological period to be named in more than a century.
自上世纪80年代和法国科学家联手开展研究以来，泰国古生物学家们记录了五个恐龙新属种和六个以前未知的物种。
Paleontologists have documented five new genuses of dinosaurs and six previously unknown species since research began in the 1980s in partnership with French scientists.
然而，走近一看却发现它是一个庞然大物：高约327英尺(100米)，或者说它是美国20世纪70年代初发射363英尺(111米)高的土星五号卫星火箭以来发射的最大火箭。
But up close, it's huge: about 327 ft. (100 m) tall, or the biggest thing the U.S. has launched since the 363-ft. (111 m) Saturn V moon rockets of the early 1970s.
一个世纪以来，全球湿地消失了一半，淡水鱼种类中超过五分之一已经灭绝或濒临灭绝。
Over a fifth of the world's freshwater fish species of a century ago are now endangered or extinct. Half the world's wetlands have also disappeared over the past 100 years.
例如，俄勒冈州的选民自19世纪30年代以来已九次否决征收消费税提案；俄勒冈州是目前全美仅有的五个不征收消费税的州之一。
Voters in Oregon, for example, have rejected a state sales tax nine times since the 1930s; the state is now one of only five without one.
去年的统计显示，史密斯、琼斯、威廉姆斯、布朗和泰勒占据了姓氏排名的前五位，而这个排名一个世纪以来未有变动。
Last year, Smith, Jones, Williams, Brown and Taylor held the top five spots, in exactly the same order as they did a century ago.
国有化的决定不仅标志着持续五个月为诺森罗克银行寻觅民间买家的失败，使英国银行在9月遭受19世纪以来的第一次困难运转，还使首相戈登•布朗面临巨大压力。
The decision to nationalise marks the failure of a five-month effort to sell the stricken lender, which last September suffered from the first serious run on a British bank since the 19th century.
将本世纪以来我国137个站每个站逐月的月平均气温划分为五个等级，绘制了全国范围的历年逐月温度等级分布图。
The monthly mean temperature at 137 stations in China in present century are classified into five grades 1-5. Maps of grade distribution have been prepared for every month and year.
将本世纪以来我国137个站每个站逐月的月平均气温划分为五个等级，绘制了全国范围的历年逐月温度等级分布图。
The monthly mean temperature at 137 stations in China in present century are classified into five grades 1-5. Maps of grade distribution have been prepared for every month and year.
应用推荐