Tuple projected = new Tuple(t.a * 2);
For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
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Dan told the BBC the monitoring and caring for a severely disabled child meant neither he or his partner got much sleep, were exhausted and also had two other children to care for.，这一点在Line官方版本下载中也有详细论述
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船舶发生实际全损或者修理费用超过修复后的船舶价值的，共同海损牺牲金额按照该船舶在完好状态下的估计价值，减除不属于共同海损损坏的估计的修理费和该船舶受损后的价值的余额计算。