The resource alerts are generally kicked off whenever you start running low on any of the basic resources: CPU cycles, memory, and swap or disk space.

当以下基础资源水平较低时将触发资源警告：CPU周期、内存、交互和磁盘空间。

youdao

His biggest deal was to swap some hundreds of railway cars full of basic Chinese goods, socks notably, for two Soviet-built aircraft.

ECONOMIST: China