白垩纪

Chondrite standardized modes of REE show that LREE is richer than HREE in both laterite-type and Carlin-type gold deposit. Carl...

红色粘土型金矿形成于上新世，卡林型金矿形成于白垩纪，在成矿时代上有先后顺序关系。

Yet, upon further reflection, human impact on the planet is a direct analogue of the Cretaceous cometary collision.

然而进一步的说，人类对于地球的影响，完全相当于白垩纪的彗星撞击。

One confounding factor is that the late Cretaceous was also a period of great volcanic activity.

令人生疑的一个因素是，白垩纪末期也是个火山剧烈活动的时期。

During their long evolutionary history, starting in the Lower Cretaceous, copepods spread over all the continents, as well as they successfully colonized about all the available water habitats of the Planet, becoming well adapted or specialized to very different salinity regimes, from marine and hypersaline waters to continental freshwater bodies, and to a wide range of temperature from the polar to the hot springs waters.

在长期进化史，最早始於早期的白垩纪，桡足类散布在各大洲，牠们不但成功地移植居住於地球上所有可利用的水域，而且从海洋与高盐度水域到大陆棚淡水的水体，变成容易适应或限定在不同盐度范围，从极区到热泉的水域具有宽广的温度范围。

The cretaceous is the dinosaur life, but also the great changes of landscape.

白垩纪是恐龙生活的最后一个纪，也是地球景观发生巨大变化的时期。

In Australia, this happened about 60 million years ago in the Cretaceous Period.

在澳洲，约60万多年前发生在白垩纪。

Of or relating to the Cretaceous geologic era.

属于或关于地质上白垩纪的。

The really strange thing is that there is absolutely no hint of anything happening at the end of the Cretaceous.

真正让人感到不解的是，在白垩纪时代所发生的一切变化却找不到任何线索。

The web found recently dates to the Cretaceous period. At that time, dinosaurs walked the earth.

最近发现的这张蜘蛛网是白垩纪的，那时候，地球上还有恐龙在行走。

Some of these animals changed little since Cretaceous times.

其中一些动物变化不大，因为白垩纪时代。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。