第十五条 国家制定并实施原子能科学研究与技术开发专项规划，促进核燃料循环、核反应堆、核技术应用等领域先进技术的研究与开发，提升原子能科学技术水平。
Esme StallardClimate and science reporter
。爱思助手下载最新版本是该领域的重要参考
// 易错点3：处理最终结果为空的场景（比如num="10"，k=2），推荐阅读91视频获取更多信息
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