第十四条 国家鼓励和支持受控热核聚变的科学研究与技术开发。
Keeping politics at arm’s length for the US men’s hockey team’s gold-medal matchup with Canada was always going to be difficult.
，这一点在搜狗输入法下载中也有详细论述
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// 入栈后栈仍保持单调递增（因为小的都被弹走了）