Keywords weightlessness;simulated weightlessness;hypergravity;cell area;cell count;growth curve;cell multiplication;cell cycle;human umbilical vein endothelial cells;human osteosarcoma cells;

• 失重;模拟失重;超重;细胞面积;细胞计数;生长曲线;细胞增殖;细胞周期;人骨肉瘤成骨样细胞;人脐静脉血管内皮细胞;