range←(ax az ⋄ )+,∘.,⍨(⍳1+2×view_distance)-view_distance
当地时间3月8日，伊朗方面发布公告称，受近期美以袭击影响，污染物已进入德黑兰市区范围，呼吁当地市民尽量避免不必要的户外活动并留在室内。相关部门表示，正持续监测德黑兰空气质量变化，如情况出现变化将通过官方渠道及时发布信息。
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Aside from that there's no major standout interface or UI changes that I could spot while trying out the Leitzphone briefly at Xiaomi's MWC keynote. However, if you're intrigued by the functionality — or the cameras — check out our hands-on coverage and sample photos of the Xiaomi 17 Ultra. The cameras are good.