但在地球上指定的某处的日食的重复周期并无明显的规律可循。
The repetition of eclipses at a given place on the Earth, however, appears to follow no discernible cycle.
这是你一直所找寻的产生爱的源头之一，但在地球上你从没有找到过它。
This is one of the sources of love that you have been seeking but never finding upon the Earth Plane.
美是在你们的心灵中，但在地球上并非总是能够如你们所愿地表达出它。
Beauty is in your mind but on Earth it is not always possible to express it, as you would wish.
我们的实验室已经研究一些辐射对DNA的影响，例如紫外线照射，但在地球上没法比拟我们想要研究的外太空环境。
Our lab has studied some effects of radiation on DNA, such as UV exposure, but nothing on Earth compares to the environments we hope to study outside of the Earth's atmosphere.
作图显示了地球上大部分地区都被高浓度的臭氧所覆盖，但在北极上空却有一片极低值区——也就是臭氧洞。
The left image shows high ozone concentrations over most of the planet, but very low concentrations—the ozone hole—over the Arctic.
这些地体不但在古生物、沉积环境、变质变形、岩浆活动和地球物理方面存在着明显的差异，而且在地球化学特征上也迥然不同。
These terranes have great differences from each other in paleontology, Sedimention, metamorphism, deformation, magmatic activity and geophysics, and their geochemical fields are clearly distinct.
这些地体不但在古生物、沉积环境、变质变形、岩浆活动和地球物理方面存在着明显的差异，而且在地球化学特征上也迥然不同。
These terranes have great differences from each other in paleontology, Sedimention, metamorphism, deformation, magmatic activity and geophysics, and their geochemical fields are clearly distinct.
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