add on memory

基本解释

We can use an add-on memory card by pressing it into an expansion slot to expand the memory.
我们可以把一个内存卡插到一个扩展槽内以扩展内存。
While this is the easiest package for Windows users, you need to add the following when configuring PHP on Linux: --memory-limit-enabled (in addition to any other options appropriate for your server).
虽然对于 Windows 用户来说，这是最简单的软件包，但是在 Linux 上配置 PHP 时您需要添加以下代码：--memory-limit-enabled（适用于您服务器的任何其他选项除外）。
Once we realized how good the solution was we expanded its use to also include an additional memory store for Ehcache standalone, which became BigMemory, an add-on for Enterprise Ehcache.
我们意识到这个解决方案的好处后就立即扩大了它的应用范围，包括为独立Ehcache追加一个内存存储，这个内存存储后来就发展成了BigMemory——Ehcache企业版的一个插件。

Richard Egan, an early Andy Grove protg at Intel, and former college buddy Roger Marino set up EMC in 1979 to build add-on memory for minicomputers.
FORBES: A fable of two companies