These procedures assume they can isolate from the rest of the world a closed system containing only a limited number of variables and a limited range of consequences.
这些程序假定人们能够处于一个与世隔绝的封闭系统之中，这个系统只包含有限数量的变量和有限范围的结果。
2
Which is his rahm?' pursued the fellow, surveying the range of closed doors.
“哪一间是他的屋子？” 那个家伙追问着，打量着那一排关着的房门。
3
Which is his rahm? 'pursued the fellow, surveying the range of closed doors.