美国宇航局说，对飞行控制系统：“这三个数字式飞行控制计算机每有一个模拟备份。”
Says NASA about the flight control system: "Each of the three digital flight control computers had an analog backup."
硬链接的创建和维护开销很低，所以只使用增量方案就可以模拟完整备份的效果。
Hard links are very cheap to create and maintain, so a full backup is simulated using only an incremental scheme.
在实际提交备份之前，允许进行“模拟”(演习)。
Allowing a "simulation" (dry run) before actually committing to the backup.
公司使用Amazon ' sWebServices作为其网站的服务器或者备份，用于内容传送，用于进行高性能计算模拟，用于存储多媒体收藏，当然还有其他更多的用途。
Companies are using Amazon's web Services to host or backup their websites, for content delivery, to run high performance computing simulations, to host media collections, and much more.
而DHV要求在带着模拟飞行员必须在60米的垂直下落距离内打开，下抛时备份伞是同假人处于同一高度并列放下。
DHV requires the parachute to open in less than 60 vertical meters when the load (simulating the pilot) and the parachute are dropped in free fall, side by side, at the same time.
大多数厂商出售其外汇机器人备份机器人盈利索赔回测试结果或模拟账户。
Most vendors sell their forex robots backing up their claims about robots profitability with back test results or on demo accounts.
虚拟磁带库模拟基于工业标准的物理磁带机和磁带库，让它们自己以磁带形式面对所有常见的备份软件。
The virtual tape libraries emulate industry-standard-based physical tape drives and libraries, presenting themselves as tape to all of the common backup software applications.
虚拟磁带库模拟基于工业标准的物理磁带机和磁带库，让它们自己以磁带形式面对所有常见的备份软件。
The virtual tape libraries emulate industry-standard-based physical tape drives and libraries, presenting themselves as tape to all of the common backup software applications.
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