求翻译：State of the clean room pressure has been restored, the current frequency of dust particle measurements back to once a week,是什么意思？

待解决

悬赏分：1 - 离问题结束还有

State of the clean room pressure has been restored, the current frequency of dust particle measurements back to once a week,

问题补充：

匿名	2013-05-23 12:26:38 已恢复的洁净室压力状态、每周一次，回尘埃粒子测量的电流频率

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