software emulation

基本解释

Software Card Emulation in NFC-enabled Mobile Phones: GreatAdvantage or Security Nightmare?
NFC手机上基于软件的卡模拟重大利好还是安全噩梦？
Although QEMU is a platform emulator, it provides software emulation for a variety of hardware devices, including NICs.
虽然 QEMU 是一个平台模拟器，但它还提供各种硬件设备的软件模拟，包括 NICs。
VMWare is a full system emulator (in this article, we are freely interchanging the term "emulator" with "virtualizer" to refer "software that does emulation of a system").
VMWare 是一个完全的系统模拟器（在本文中，术语“模拟器（emulator）”和“仿真器（virtualizer）”可以自由互换，都是指 “完成对某个系统的模拟的软件”）。

Word is that while Sony has claimed the PS3 is powerful enough to handle full PS2 emulation, the actual software isn't ready yet, so they'll use PS2 chips as a stopgap while they finish up.
ENGADGET: Reason #437 for all that bulk: PS3 has a PS2 inside
According to Ben, only Atari 2600 and Colecovision games are supported for the time being, although emulation of other systems will apparently be possible through software upgrades (it'll also function as a basic PMP).
ENGADGET: Ben Heck lends his hand to emulation-friendly Gameport handheld
While we saw the OLPC XO-1's OS emulation earlier this week, not everyone (including us) took the time to set up the necessary software needed in order to run it.
ENGADGET: OLPC XO user interface demo vid hits the web