The European Space Agency plans a second experiment in the coming months to test the effects of weightlessness in space on bone and muscle tissue.
The European Space Agency plans a second experiment in the coming months to test the effects of weightlessness in space on bone and muscle tissue.
欧洲航天局计划下周开展第二次试验，观察在太空中失重对骨髂和肌肉的影响。