Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00593-x
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
，这一点在Line官方版本下载中也有详细论述
（二）伪造、隐匿、毁灭证据或者提供虚假证言、谎报案情，影响行政执法机关依法办案的；
（二）对正常运行的无线电台（站）产生有害干扰，经有关主管部门指出后，拒不采取有效措施消除的；
More than 22,000 claims related to Covid vaccines have been made so far, most of them relating to the jab manufactured by AstraZeneca - but only about 1% have resulted in compensation payouts.