还包括对生物地球化学循环，这是在了解化学品的行为在环境中的关键部分。
Also included is a section on biogeochemical cycling, which is crucial in the understanding of the behaviour of chemicals in the environment.
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.
我国作为世界产钨大国，对钨在生物地球化学和环境化学及其健康影响方面的研究几乎还是空白，亟需尽快开展这方面的数据积累和研究。
It is pointed out that the geochemistry of tungsten in its effects on environment and health is still a research gap in our country now. Special attention should be paid to this aspect of research.
我国作为世界产钨大国，对钨在生物地球化学和环境化学及其健康影响方面的研究几乎还是空白，亟需尽快开展这方面的数据积累和研究。
It is pointed out that the geochemistry of tungsten in its effects on environment and health is still a research gap in our country now. Special attention should be paid to this aspect of research.
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