云服务器迁移原理是啥?如何做到业务零中断?云服务器迁移原理及实现业务零中断的技巧
What is the principle of cloud server migration? How to achieve zero business interruption? The principle of cloud server migration and techniques for achieving zero business interruption
以上为机器翻译结果，长、整句建议使用 人工翻译 。