应于 POINTER TO 要么 REFERENCE TO 声明(例如, ptr [...] Fb_B: REFERENCE TO Fb_B; )。这就
: association POINTER TO 要么 REFERENCE TO 实现
应于一个 ARRAY[ .. ]。当您指定大于 1 [...] MultiFb_A : ARRAY[0..9] OF Fb [...] MultiFb_A : ARRAY[1..10] OF Fb
( POINTER TO ) : 协会 ( REFERENCE TO ) : 实现