The hilt is made of entire iron. Is the barycenter on the case?柄用全鐵的, 這把劍的重心是不是在格上了 啊 ?And we has also found some especial rules on the moving of Chinese economic barycenter.文章還發(fā)現(xiàn),中國(guó)經(jīng)濟(jì)重心的遷移存在幾個(gè)特殊的規(guī)律.Measure the barycente...