n.結(jié)束
=finalisation(英).
The initialization and finalization sections are optional. 其中，初始化節(jié)和結(jié)束節(jié)是可選的。
The finalization section begins with the reserved word finalization and continues until the end of the unit. 當(dāng)主程序終止時，結(jié)束節(jié)中的語句被執(zhí)行。
