名詞 functionality:

1. capable of serving a purpose well

1. The packet filter rout provide the same functionality as the packet filter firewall describe in section2.1.1.
   包過濾路由器與包過濾防火墻具有同一功能，如2。1。1部分所述。
2. Refer to netmeeting online help for using other netmeeting functionality.
   使用NetMeeting其它功能，請參閱NetMeeting聯(lián)機(jī)幫助。

func.tion.al.i.ty

n.（名詞）
The quality of being functional.
功能性：起作用、運(yùn)轉(zhuǎn)的特性
A useful function within a computer application or program.
計(jì)算機(jī)應(yīng)用程序或程序內(nèi)有效的功能
The capacity of a computer program or application to provide a useful function.
計(jì)算機(jī)程序的容量或只能提供功能的應(yīng)用程序