ACWY群脑膜炎球菌疫苗可预防四种能引发脑膜炎的细菌——A、C、W和Y群脑膜炎球菌，适用于14岁的青少年。任何错过接种者可在25岁前免费补种。
Autonomous AI agents do not fit neatly into this model. They can act on behalf of users, interact with multiple systems and make decisions without direct human intervention. In many organizations, they lack stable, governed identities. Their access is not always tied to clear policies. Their lifecycle is rarely managed from creation through retirement.
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印尼宣布禁止16岁以下人群使用社媒