但在面向网格的结构中，因为需要支持终端用户SSO和动态瞬间服务，所以安全体系结构的信任关系很难建立。

Trust is hard to establish in a service-oriented grid architecture because of the need to support end user SSO and dynamic transient service.

youdao

参数的值必须为动态的，以使动态web服务将其状态瞬间从外部更改为内部，或反之亦然。

The values of the parameter must be dynamic to get a dynamic Web service to change its status from external to internal, or vice versa, in a split second.

youdao

这时你已经有了一定的绘画功力，可以到外面去进行动态的写生了，捕捉一切瞬间即逝的事物。

Then you have a certain degree of painting skill, one can go outside to carry out dynamic sketching, and capture all the moments that evanescent things.

youdao