We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!
今天早晨到白天多云转晴，山区有零星小雪，北转南风二三级，最高气温5℃。今起三天以晴到多云为主，今天早晨到白天山区出行注意交通安全；25日北风较大，风寒效应显著，注意防风防寒。新京报记者 王景曦SourcePh" style="display:none"
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The US has been accused of “shameless exploitation” over a health financing agreement with Zambia worth more than $1bn (£740m), amid warnings that the country is getting a raw deal from the Trump administration.
Isaacman said SpaceX and Blue Origin are "both looking to do uncrewed landing demonstrations as part of the existing agreement."