...麻醉和呼吸相关设备，以及供应系统领域专业标准的制修订，至今已有近50年历史，目前有30个正式成员国（Participating countries）和22个观察员国（Observing countries），秘书处设在美国。
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然而，这种地位还达不到需要安理会讨论正式成员国地位的要求。
However that status falls short of the full membership request being discussed in the Security Council.
年1月，英国终于成为欧洲经济共同体的正式成员国。1973年仍称为共同市场。
In January 1973, Britain became a full member of the European Economic Community which was still called the Common Market in 1973.
可是，包括美国在内的几个成员国表示，成为正式成员国的唯一途径是通过和平谈判。
But several member states, including the United states, have said the only road to statehood goes through peace talks.
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