人们纷纷挤在这些灰熊周围为它们拍照，而它们也很配合。公园管理员不得不出面干涉，让游客同灰熊保持安全的距离。
Park rangers have had to intervene to keep tourists at a safe distance.
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而主机id则由系统管理员分派。
The assignment of host IDs is up to the system administrator.
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