在推进“再军事化”进程中，日本右翼的拥核野心日益膨胀。日本政客近期不断进行危险试探，公开鼓噪“拥核”，谋求修改长期奉行的“无核三原则”。众所周知，日本是典型的“核门槛国家”，长期制造、囤积远超民用核能实际需求的钚材料。截至2024年底，日本囤积的分离钚材料总量已高达44.4吨。日本现已建成完整的核燃料循环体系，具备较强的核工业能力，能够依托核反应堆和后处理技术及设施生产武器级钚材料。一旦右翼的政治狂热驱动日本迈过“核门槛”，潘多拉的魔盒将被打开，全球核不扩散体系将遭到严重冲击。新加坡《联合早报》不久前刊发评论指出，核不扩散仍然是当今国际政治的主流旋律，日本拥核的走向不符合东南亚利益，降低军备竞赛和减少战争风险，才符合区域稳定之需要。
There's a tradeoff: a lower capacity means you can skip more space during queries (you zoom in faster), but the tree has more nodes and uses more memory. A higher capacity means fewer nodes but each node requires checking more points linearly. As a starting point, capacities between 4 and 16 are reasonable defaults, though the best value depends on your data distribution and query patterns.
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