二以水岸线或河川中心线为界线者以该水岸线或河川中心线为分区界线其有移动者随其移动
Where the boundary is set by the waterfront or the center line of a river, the demarcation line shall be the waterfront or the center line of the river. Where there is any movement, it shall move along with it
以上为机器翻译结果，长、整句建议使用 人工翻译 。