灭绝的

The Lazarus effect has been observed before, most notably with the re-emergence in the Indian Ocean in 1938 of the coelacanth, a Paleozoic fish believed to have gone extinct along with the di-nosaurs 65 million years ago.

这样的发现是标准的「拉萨鲁斯效应」：一种被认为已灭绝的生物发现生存的后代。当初芝加哥大学的大卫杰布伦斯基在1980年提出此一概念。

But similar to the destinies of many countries whose traditional music is on the verge of doom in recent years, the traditional music in our country also faces depopulation, because of lack of the necessary protection measures. Some categories of songs, plays and operas with considerable value are already lost.

但近年来和许多国家传统音乐濒临绝境的命运相似，我国的传统音乐由于缺少必要的保护措施也面临着灭绝的危机，一些颇有价值的歌种、剧种、乐种已经绝响。

"Any community of organisms in the path of that spreading oil slick is in danger, and that is especially the case for a species like the Diamondback Terrapin turtle that is teetering on the brink of extinction in Alabama," says Thane Wibbels, Ph.D..

"任何社会的有机体在该路径中的浮油蔓延的危险，这是一个特别的案件，如小菜蛾鳖种龟是濒临灭绝的边缘，在阿拉巴马州说，"塞恩维贝尔斯，博士。。

According to NASA scientists, the brown dwarf star is up to five times the size of Jupiter and could be responsible for mass extinctions that occur on Earth every 26 million years.

美国宇航局的科学家认为，这颗褐矮星的大小达到木星的5倍，并可能是导致地球上每2600万年的生物大灭绝的罪魁祸首。

When closely related individuals interbreed, 'inbreeding' occurs ,which gives rise to inbreeding depression (which causes a reduction in offspring fitness) and increased genetic homozygosity which reduces the possibility of evolutionary adaptation to a changing environment, and increases

近交的代价当亲缘相近的个体进行亲繁殖时，"交近"就出现了。近交引起近交衰退和增加遗传纯合性（它降低了对于环境变化产生进化适应的可能性，而增加了灭绝的可能性）。许多物种具有防止或减少近交的机制。

From the bones that have been discovered at the midden locations, scientists have also discovered and learnt about the different species of the bird and have reached down to a conclusion that over-hunting was the chief reason as to why the bird is extinct today.

从骨头已发现的地点在粪堆，科学家们还发现和教训的不同品种的雀鸟已经达到了一个结论，即过度狩猎的主要理由是，为什么鸟灭绝的今天。

Therefore, in this situation, improving the breeding of musk deer is an efficient measure of solving the demand of Chinese medicine for musk. So the economic benefits analysis of musk deer's breeding is a basic problem to solve.

因此，在目前野外麝类资源濒于灭绝的形势下，促进麝类资源的人工繁育是解决中医药业对麝香需求的一个有效措施，而麝类资源繁育的经济效益评价是需要解决的一个基本问题。

We had to travel through Russia and Central Asia taking tiny bone samples from Caspian tiger specimens in natural history collections,' said co-author Dr Nobby Yamaguchi of Oxford's WildCRU.

这些令人惊讶的结果显示，灭绝的里海虎和现代的西伯利亚虎是分子构成上最近的'邻居'，"在牛津大学野生动物研究保护所领导这个项目的博士生卡洛斯·德里斯科尔如是说。"

Small (2 in) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes.

2英寸大小已经灭绝的长有带鳍尾、脊索和含有细胞质状骨胳的锥形牙齿似鳗的鱼；后寒武纪到后三叠纪的生物；可能是圆口纲脊椎动物的祖先。

This egg is the largest one in the world, given to birth by extinct Elephant bird of Madagascar in the seventeenth century ,as well as dinosaur egg, which have been found for the present.

这枚由已经灭绝的&马达加斯加象鸟&在十七世纪产下的蛋，也是目前最大的蛋，包括目前已发现的恐龙蛋。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。