查询词典 extinct

Sand grouse; pigeons; doves; extinct dodos and solitaires.

沙鸡；鸽子；鸽子；已灭绝的渡渡鸟和矾鸫。

Lyson held in his hands the scaly skin of an animal that had been extinct for 65 million years.

Lyson 手中拿着的是六千五百万年前灭绝的动物的鳞片状皮肤。

Sea Otter, Monterey, California, 1971 Photograph by Bates Littlehales Southern Otters, considered extinct by 1900, reappeared near Monterey in 1938. Today federal, state, and international laws protect the furbearers.

南方的水獭，考虑过它的绝迹，1900年，它重新出现在靠近蒙特利在1938年，如今联邦的，州和国际法律保护那长毛皮的动物。

The climate warmed and cooled, new plants and animals evolved and became extinct in their turn, and sea levels rose and fell over periods of thousands, if not millions, of years.

气候变暖又转冷，新的植物、动物进化又渐次灭亡，海平面上升而后下降，这样的变化如果不是需要数百万年的时间，也是需要数千年的时间的。

Three and a half years after that sparrow's death, a terse entry appeared in the Federal Register announcing that the dusky seaside sparrow was now extinct and had been removed from the federal government's list of endangered and threatened wildlife.

它死后三年半，一项简单扼要的条目出现在美国的《联邦公报》上，宣布黑海滩雀已经灭绝，并从联邦政府濒临绝种及受威胁的野生动物名单上剔除。

The extinct language of an ancient Semitic people who dominated trade in the ancient world.

在古代世界统治着贸易的那些阿拉伯人的一种绝迹的语言。

The extinct Siouan language of the Biloxi .

一种拜洛希人说的奥色治语。

It is time we protected spotted deer from becoming extinct.

该是我们保护梅花鹿以免其绝种的时候了。

The stability of system equilibrium point and the existence condition of 3-D Hopf bifurcation as well as the stability of hence generated periodic solution were analyzed, so that the existence of limit cycles on the two-dimensional stable manifold of one microbial species and its nutrition was verified when other one had the disadvantage in the competition so as to become extinct.

研究当营养消耗率δ1＝δ1为一般的非减连续函数和δ2＝常数的三维Chemostat模型，分析系统平衡点的稳定性，三维系统经历Hopf分支的条件和由此产生的周期解的德定性，证明系统中某一微生物物种处于竞争劣势而趋于灭绝时另一微生物物种和营养的二维稳定流形上极限环的存在性。

The name comes from two common members — the extinct elephant-like Stegodon and the bear-like giant panda, Ailuropoda.

该动物群名称来源其两个普遍的成员——已经灭绝的类似于大象的剑齿象，以及类似于熊的大熊猫。

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。