1、This is Because you do not have a valid Security Certificate .
这是因为您没有一个有效的安全性证书。
2、It either provides information or facilitates a change to business data from one valid and consistent state to another.
它提供信息或简化业务数据从一个有效的、一致的状态向另一个状态的转变。
3、The user name should consist of alphanumeric characters and be a valid structure for all systems within an organization so that each person only has one user name.
有效期基本翻译period of validityterm of validity网络释义有效期:EXPIRY DATE|Validity|valid period有效期至:Date of expiry|valid until注册有效期:THE TERM OF VALIDITY长期 [cháng qī]基本翻译long termlong time网络释义长期:for ages|LT long term|no end in sight长期:long-term长期的:long-range|long-term|secular