不可执行叙述标号
nonexecutable statement label
等效叙述标号
equivalent statement label
可执行叙述标号
executable statement label
未定义叙述标号
undefined statement label
GOTO指定叙述
GO TO assignment statement
巢套指定叙述
nested assignment statement
多指定叙述
multiple assignment statement
宏指定叙述
macro assignment statement
屏蔽指定叙述
masked assignment statement
正规指定叙述
normal assignment statement
执行指定叙述
execute-assignment-statement
指定叙述表式
assignment statement expression
指定叙述回路
assignment statement loop
指定叙述求值
evaluation of assignment statement