The operation being requested was NOT performed because the user has NOT logged on to the network. The specified service does NOT exist.

因为用户还未登录网络，不能执行所要求的操作。指定的服务不存在。

youdao

If sufficient capacity does not exist, then ARFM will make trade-off decisions about which service goals will be breached and how badly.

如果没有足够的处理能力，ARF m会做折中的决策，考虑违反哪些服务目标，争取获得比较好的效果。

youdao

If the reference that the conditional block will use for input does not exist, create it (as explained in the article on adding dynamic data to your Web service tests in the Resources section).

如果条件块为了输入而使用的引用不存在，那么就创建它(这在参考资料部分的文章adding dynamic data to your Web service tests中有解释)。

youdao

He told VOA's French to Africa Service that he does not believe conditions exist for a fair vote because Gabon's ruling party is managing both the electoral process and the media.

VOA: standard.2009.08.28