style="margin-top:0px;z-index:2;left:0px;margin-left:0px;width:37.5pt;position:absolute;height:36pt;text-align:left;mso-position-horizontal-relative:text;mso-position-vertical-relative:line;mso-wrap-distance-left:7.5pt;mso-wrap-distance-top:0;mso-wrap-distance-right:7.5pt;mso-wrap-distance-bottom:0;mso-position-horizontal:left"alt=""o:allowoverlap="f"type="#_x0000_t75">把物体往外移动，杠杆竟然还能保持平衡，难道这是违背物体转动平衡条件的特例？我们是该去修正平衡条件还是再推敲推敲这个实验装置？
