求翻译：通过观察骨碎补总黄酮血清对模拟失重共育骨细胞ALP及OPG和 BMP-2基因表达的影响，探讨失重条件下骨丢失骨代谢的影响及其作用机制。是什么意思？

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Through observation bone fragments total flavonoids serum supplement to simulate weightlessness joint education and OPG ALP bone cells and BMP-2 gene expression in weightless conditions, to explore the impact bone loss bone metabolism and its mechanism of action.

To simulates weightlessness through the observation davallia total flavanone blood serum altogether to nurture bone cell ALP and OPG and the BMP-2 gene expression influence, under the discussion weightlessness condition the bone loses the bone metabolism the influence and the function mechanism.

By looking at total flavonoids of rhizoma drynariae simulated weightlessness co-culture of bone cells by serum ALP and gene expression of OPG and BMP-2, discussion on bone metabolism of bone loss in weightlessness and its mechanism of action.