Lines 26-34: Virtual functions.

第26 - 34行：虚函数。

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The virtual functions simply write a line of text to standard output.

虚函数简单地向标准输出写一行文本。

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In some situations however, the use of virtual functions is not possible.

但是，在某些情况下，不可能使用虚函数。

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There's a community news section that functions as a virtual soapbox on topics as diverse as personal finance and race.

FORBES: IAC's Minority Interest

Smart IT leaders cope with this shortage of generalists by moving to hybrid IT departments that manage cloud computing as well as more traditional IT functions, and that essentially run as virtual internal service providers, drawing on a menu of external managed services as demand requires.

FORBES: The Corkscrew Effect: Your IT Staff Has Too Many Experts

The XDJ-AERO also functions as a 24-bit audio interface, MIDI controller for Traktor and HID controller for Virtual DJ software.

ENGADGET: Pioneer's new WiFi-enabled XDJ-AERO controller says goodbye wires, hello dancefloor (video)