现存最古老的文件追溯到1492年。
现存的房子正变得完全不适合人居住。
Existing houses are becoming totally unfit for human habitation.
所有新时尚都是从反抗现存习俗开始的。
All new fashion starts out as a reaction against existing convention.
一些杞人忧天的人预测说，假如科学家真的能够造出一个新宇宙，它也许会摧毁现存的宇宙。
Some worrywarts have predicted that if the scientists actually do create a new universe, it might destroy the existing one.
现存的关于格里菲斯的学术论文太少了，一天之内就能读完。
The body of extant scholarship on Griffith was so tiny that it could all be read in a day.
这个脚本将会提示您要么删除现存的索引，要么创建一个新的索引。
This script will prompt you to either delete the existing index or create a new index.
原因很容易理解：在自然界中，现存的生物要么适应环境，要么被新物种取代。
The reason for this is easy to recognise: in nature, the existent organisms either adapt or are regularly replaced by new types.
一份名为L的中世纪手稿包含了希腊剧作家欧里庇得斯所有现存的十八部悲剧。
A medieval manuscript called L contains all eighteen extant tragedies by the Greek playwright Euripides.
2005年，为应对卡特里娜飓风，美国邮政管理局将把新奥尔良收到的邮件改寄到休斯敦现存的邮局。
In response to Hurricane Katrina in 2005, USPS redirected incoming New Orleans mail to existing mail facilities in Houston.
很多动物学家认为，这是因为，在几乎没有任何现存竞争物种的情况下，有太多的生态小生境可供生存。
Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species.
去年，英国政府在印度洋建立了世界上现存最大的海洋保护区，跨越55.4万平方公里，整个保护区均是禁渔区。
The world's largest existing marine reserve, established last year by the British government in the Indian Ocean, spans 554,000 km2 and is a no take zone throughout.
现存的手稿，不论数量多么少，也不能让学者推断一部作品的古代拉丁手稿有多少存活到了九、十二，甚至是十五世纪。
The number of extant manuscripts, however few, really does not allow scholars to infer how many ancient Latin manuscripts of a work survived to the ninth, the twelfth, or even the fifteenth century.
由于现存的大多数物种生活在澳大利亚，早期的研究人员得出结论，巨蜥属起源于澳大利亚，随后沿着印澳群岛向西跳跃。
Because most existing species live in Australia, early researchers concluded that Varanus originated in Australia and subsequently island hopped westward along the Indo-Australian archipelago.
这是现存最古老的希伯来语手稿。
他被视为现存制度的大敌。
她的文稿被认为是女性内科医生写的现存最古老的手稿。
Her text is believed to be the oldest surviving manuscript by a female physician.
科学家正试图把已灭绝动物的特征与现存类似动物相比较。
Scientists are attempting to compare features of extinct animals with living analogues.
DNA比对显示，绿藻是植物现存的关系最近的亲戚。
DNA comparisons have shown that green algae are plants' closest living relatives.
恐龙现存的近亲——鸟类和鳄鱼——表现出了筑巢行为。
Dinosaurs' closest living relatives—birds and crocodiles—display nesting behavior.
现存的6800种语言中，已经有400多种濒临灭绝。
Already well over 400 of the total of, 6,800 languages are close to extinction.
弗朗索瓦丝·迪帕克现存的所有画作都融合了肖像画和流派。
All of Francoise Duparc's surviving paintings blend portraiture and genre.
大量现存的罗马遗迹证明了这一点，其中许多遗迹几乎完整无缺。
Evidence of this is the numerous Roman remains that are still standing, many of which are almost completely intact.
尽管如此，现存的北美记录确实提到了土著居民中发生的致命流行病。
Even so, the surviving records of North America do contain references to deadly epidemics among the indigenous population.
如果现存的手稿很少，家谱就必须纳入那些在时间和族地都分散的手稿。
If surviving copies are few, the stemma perforce brings into proximity manuscripts that were widely separated in time and place of origin.
陪审团也被视为现存的直接民主制的最佳典范，而非代议制民主的例子。
The jury is also said to be the best surviving example of direct rather than representative democracy.
“天然”森林的神话一直存在，但实际上在欧洲没有现存的“原始”森林。
The myth of the "natural" forest has survived, yet there are effectively no remaining "primary" forests in Europe.
然而，我们经常从现存的手稿数量来推断某一特定作品在中世纪的发行量。
Too often, though, too much is inferred about a particular work's circulation in the Middle Ages from the number of manuscripts surviving today.
令科学家们困惑的一个相关问题是，现存最大物种科莫多巨蜥的分布情况。
A related puzzle for scientists is the present distribution of Varanus' largest surviving species, the Komodo dragon.
人们曾试图根据现存沉积岩的厚度和目前海洋的盐度水平来计算地球的年龄。
Attempts were made to calculate Earth's age from the thickness of surviving sedimentary rock and from the current level of the oceans' salinity.
人们曾试图根据现存沉积岩的厚度和目前海洋的盐度水平来计算地球的年龄。
Attempts were made to calculate Earth's age from the thickness of surviving sedimentary rock and from the current level of the oceans' salinity.
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