In earlier versions, the UDDI specification mixed policy issues with UBR implementation concerns.

在以前的版本中，UDDI规范将策略问题与U BR实现问题混在了一起。

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What he did was: After an initial trail period of mixed classes, he changed the school policy.

他所做的是：经过一段混合班的试运行期后，他改变了学校的政策。

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With escalating costs, declining availability, and mixed quality outcomes, employers have been hurt by the absence of sound national policy.

逐步升高的成本，下降的有效实用性，和混杂的质量，雇主们因为缺乏健全的医疗政策而受损害。

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It is when other policies have become mixed with that foreign-policy realpolitik that trouble has arisen.

ECONOMIST: How not to deal with China

China's central bank is sending mixed messages on where monetary policy is heading, and that is pushing investors to the sidelines.

WSJ: Investors Seek Clarity From People's Bank of China

In other areas, that policy has had mixed results.

NPR: Chinese Telecom Companies Look to Global Markets