陆地动物

1The polar bear is the largest meat-eating animal on land.

北极熊是陆地上体形最大的肉食动物。

This paper reviews recent advances in myriapod phylogenetics and presents a preliminary phylochronologic scheme of the evolutionary events in early my-riapods with the following observations: 1） Myriapoda might have diverged from its sister group during late Cambrian or earlier.

精确的多足动物亚门谱系发生关系以及谱系年代学细节还有待于进一步综合系统学、多基因和多重化石参照点的合理分析加以深入和完善，进而为早期陆地复杂生态系统的建立提供新的证据。

This is also another form of animal movement on land.

这也是另一种形式的动物在陆地上运动。

They are the biggest animals on land .

他们是陆地上最大的动物。

What is the biggest animal on land?

什么是陆地上最大的动物？

Pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur.

鳍足动物，有外耳廓，后肢用于在陆地上行走；以其柔软的下层绒毛而名贵。

Moas, giant ostrich-like birds, up to three-times the height of a person, patrolled the ground, and Haast eagles, the biggest raptorial bird the world has ever seen, terrorised the skies.

八千万年来，这里从来没有陆地哺乳类动物──这是鸟类的世界。

You've probably heard that whales evolved from animals that lived on terra firma.

你可能听说过鲸鱼是由生活在陆地的动物演变过来的。

But the nickel disappearance is one more clue about how the planet went from suffocating to a place where a terrestrial tetrapod could take a deep breath.

但是对于如何解释我们的地球从一个令人窒息的环境转变为一个让陆地四足动物可以自由呼吸的地方，镍的消失又提供了一个线索。

At the end of the Triassic, Pangea began to rift apart.

大约在三叠世时期组合而成的盘古大陆，使得陆地上的动物得以从南极迁徙到北极。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。