Border Points: Each cluster has a limited number of defined "border points" – these are the gateways in and out of the cluster.
Nature staff discuss some of the week’s top science news.
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12:03, 27 февраля 2026Ценности
县级以上地方人民政府及其有关部门应当采取措施，鼓励核技术应用领域先进技术研发、知识产权保护、成果转化示范应用，引导核技术应用生产经营单位有序、公平参与市场竞争。