The trick in checking CPU capability is to demand a high bit value with a short expiration.
校验CPU能力的方法是，要求在短期间内得到高比特值。
2
RAM USES a policy based rules checkingcapability to automate certification before the service is allowed to be deployed.
在允许部署服务之前，RAM使用一个基于策略的规则检查功能，以实现自动化认证。
3
Once again, you do some browser capability detection, by first checking if the window object has the localStorage property, per the HTML 5 specification.
同样，这里做了一些浏览器功能检查，按照 HTML 5 规范，首先检查 window 对象是否有 localStorage 属性。