These sensitive nuclear issues require focused discussions in a small, closed setting. This cannot be achieved at a multilateral negotiating table, such as the six-party talks.

这些敏感的核问题需要在小规模的封闭环境下进行集中的讨论。这无法在多边参与的谈判桌上实现，比如六方会谈。

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The default privacy setting on groups will be "closed", so that only a group's members can see the information they generate.

关于小组的默认设置是处于“关闭”状态的，所以只有组内成员能够看见他们发布的信息。

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Using this feature with the Purge Valve closed can result in over pressurizing the system or exceeding the Pressure Safety Relief Valve setting.

在放气阀关闭时使用这个功能，可能会导致系统压力过大或超过压力安全阀的设置压力。

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It may also be the case that some of these committees are already taking up these matters in a classified, closed-door setting.

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Otherwise, turn the refrigerator thermostat to its coldest setting and keep its doors closed.

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