求翻译：这些生物反应器已成为组织工程研究的重要工具，通过培养液的运动一定程度上改善了组织中心供养，通过给予应力的刺激促进了细胞的分化和组织结构的形成，明显提高了组织的培养效果。是什么意思？

These bio-reactor has become a vital tool for the study of tissue engineering, through the medium of sport to some extent improved the organization centers to support, through the stimulation of stress the formation of cell differentiation and tissue structure, marked impact on the Organization of the training effect.