Most competing cloud solutions are based on single instances of a database hosted within a virtual machine.

大多数与之竞争的云解决方案都基于托管在虚拟机中的数据库的单一实例。

youdao

Its Elastic Compute Cloud (EC2), now joined by storage, queuing, database, and other options, allowed anyone to fire up a virtual machine, for an hour or forever.

它的可伸缩计算云程序（EC2），现在联合了存储，存储队列，数据库和其他选择功能，可以允许每一个人建造出一台虚拟的仪器，不管这台机器仅工作一小时还是永久工作下去。

youdao

SQLite's utilization of a virtual machine, the virtual Database Engine (VDBE), makes it easy to debug, modify, and extend SQLite's core.

SQLite通过利用虚拟机和虚拟数据库引擎(VDBE)，使调试、修改和扩展SQLite的内核变得更加方便。

youdao