这本书写得很熟练，有年代表、参考书目和索引。
The book is a workmanlike job with chronology and bibliography and index.
这部分地质年代表还没有令人满意地再细分出来。
This part of geologic calendar has not been satisfactorily subdivided.
科学家正讨论是否应正式把这个时期列入地质年代表。
Scientists are now debating whether it should be officially included in the Geological Time Scale.
银河年是建立理想地质年代表的基础，每一个银河年就是一个代。
Hence it is considered that a galactic year can be based on to institute an ideal geologic time scale in which a galactic year is an era.
在许多年轻的北京人心目中，2008年代表着梦想、骄傲与财富。
In the minds of millions of young Beijingers, the year 2008 represents dreams, pride and wealth.
她也是今年代表波多黎各参赛的40名运动员中唯一一个获得奖牌的。
She was also the only athlete of the 40 representing Puerto Rico to win a medal this year.
这些营员主要由来自205个国际奥委会成员国和地区的青年代表组成。
Members of these camps mainly from the 205 IOC member countries and regional youth representatives.
这些资料已被编纂造出一帧时代表，即周知的地磁极性年代表(GPTS)。
These data have been compiled to create a time scale known as the geomagnetic polarity time scale (GPTS).
伯德于1958年代表西弗吉尼亚州被选入参议院，是美国历史上年资最长的参议员。
The longest-serving senator in American history was first elected to the Senate to represent West Virginia in 1958.
由四位青年代表全职服务青年工作，负责联谊会一些日常办公，校区走访，青年陪伴等。
Four full time youth ministers are responsible for the daily office work, campus interactive and accompaniment.
我还和多年代表美国工作者的制法人合作，最重要的是，我和被这些政策直接影响的人合作。
I also worked with lawmakers who've led on this issue on behalf of American citizens for many years, and most importantly, I've met with the people directly impacted by these policies.
用地质年代表(表1)中的不同年代的编号1 -6，来代表每个描述所出现的地质年代。
Using the codes 1 to 6 representing the different time periods in the evolutionary time scale shown in Figure 1, indicate the geologic time period that best corresponds to each description.
欧文自从去年代表英格兰参加世界杯与瑞典队比赛中十字形韧带受伤后一直都没有进行比赛。
Owen has not played since rupturing his anterior cruciate ligament in England's World Cup finals clash with Sweden in June last year.
开幕式结束后，远道而来的欧方青年代表仍不愿离去，纷纷拍照留念，并表达自己的兴奋之情。
After the ceremony, the representatives came all the way from Europe still did not want to leave. They all took pictures to memorize this precious moment and expressed their excitement.
一位青年代表质问他，是否会保证努力拯救由于海平面上升而面临生存危机的群落时，潘兴避而不答。
Questioned by a youth delegate if he would pledge to try and save the communities whose very survival is already at stake because of rising seas, Pershing refused.
在公益活动现场，球星们与青少年代表进行了面对面的交流，并一起开展了解艾滋病相关信息的互动游戏。
Activities in the public scene with the young players are representatives of the face-to-face exchanges, and with information and awareness campaigns on AIDS-related interactive games.
魏英瑛博士向青年代表们展示了一张照片，以说明在一些国家，女性往往从出生的那一刻开始就受到不公平的待遇。
Wei Yingying to the youth delegates displayed a photo, to demonstrate that in some countries, women are often born from that moment began to suffer from unfair treatment.
大事记年代表：依照年代时间顺序排列，将一特定历史年代阶段中的重要事件做一呈现或展示，通常包含辅以文字注释的图标。
A representation or exhibit of key events within a particular historical period, often consisting of illustrative visual material accompanied by written commentary, arranged chronologically.
之后，萨奥尔一行将前往距海利根达姆45公里的维斯玛，来自八国的74位青年代表将在此讨论目前世界所面临的主要问题，与主会场遥相呼应。
Later the group will go to Wismar, about 45 kilometers from Heiligendamm, where 74 youths from the G8 countries are debating the main problems facing the world, in parallel to the main summit.
一名黑客从美国市场营销服务公司Epsilon里窃取了电子邮件，该公司有约2500家公司客户，公司每年代表这些客户负责处理400亿封电子邮件。
A hacker pilfered e-mails from Epsilon, an American marketing-services firm, which handles 40 billion e-mails each year on behalf of around 2, 500 corporate clients.
林肯的陈述清楚而直接，毫无疑问，它代表了1850年代大多数美国人的观点。
The Lincoln statement was clear and direct, and it doubtless represented the views of most Americans in the 1850's.
对于许多英国人来说，这可以适用于代表他们国家过去年代的机构和物品，古老的城堡，辉煌的住宅和红色的电话亭。
For many British people, that can apply to institutions and objects that represent their country's past age old castles, splendid homes and red phone boxes.
十字标志是一个古老的符号，在20世纪60年代的嬉皮士运动中被用来代表和平和爱。
The ankh is an ancient symbol which was adopted by the hippie movement in the 1960s to represent peace and love.
尽管如此，直到20世纪60年代和70年代，这种二十世纪早期的史学仍然代表了对南方异见的主要研究。
This early-twentieth-century historiography nonetheless represented the leading research on dissent in the South until the 1960s and 1970s.
我认为，电吉他的声音可以说是代表了20世纪50年代流行的摇滚风格。
I think it's fair to say that the sound of the electric guitar typifies the rock 'n' roll genre, which became popular in the 1950s.
他们为这种做法辩解，声称家里需要女性；于是，陪审团没有女性代表的状况持续了整个20世纪60年代。
This practice was justified by the claim that women were needed at home, and it kept juries unrepresentative of women through the 1960s.
几年前丑闻缠身的杰克逊曾经面临着娈童在内的一系列指控，并且在加利福尼亚的一个法院受审，加上他古怪的行为习惯使他的名声一落千丈（八十年代MJ是美国青春健康的代表，但是现在他的脸蛋惨不忍睹。
It was only a few years ago that Jackson was acquitted of several charges, including child molestation, in a California trial.
几年前丑闻缠身的杰克逊曾经面临着娈童在内的一系列指控，并且在加利福尼亚的一个法院受审，加上他古怪的行为习惯使他的名声一落千丈（八十年代MJ是美国青春健康的代表，但是现在他的脸蛋惨不忍睹。
It was only a few years ago that Jackson was acquitted of several charges, including child molestation, in a California trial.
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