Example . prj & Defines the spatial reference system ( SRS ) or projection
prj&定义空间引用系统（SRS）或投影
PRJ proposed that young children don 't have way to represent things that aren 't wide in front of them .
让·皮亚杰提出儿童没有办法呈现那些并没有展现在他们面前的事物。
prj