Whitelists do the reverse — they contain a list of addresses from which you expect to receive mail and filter messages received from other sources.

白名单则相反——它们包含您期望接收邮件的地址列表，可用它过滤来自其他资源的消息。

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This filter makes a clip play in reverse.

此滤镜用于倒放一段视频。

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Ro - reverse osmosis pretreatment process for activated carbon and fine filter.

反渗透预处理工艺主要为活性炭和精滤。

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If families can afford it, she recommends a reverse osmosis filter, which will eliminate all impurities.

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It would also greatly reduce energy costs, since reverse osmosis involves forcing water through filters to remove minerals, and the Perforene filter is so thin that much less pressure is required (graphene is a thousand times stronger than steel).

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