把请求中的登录数据传递给身份验证提供者有四种方法。
There are four possible ways to pass logon data in a request to the authentication provider.
认定商业秘密侵权行为有四种方法：（1）商业秘密的构成要件；
Whether an act is a business secret infringement can be judged according to the following aspects:1)the essential elements of business secret;
我已经提到过在开发过程中查看针对iPhone优化过的Web站点有四种方法。
I've mentioned four ways to view your iPhone optimized Web site while in development.
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