名词
中文翻译：递归
同义词：
['iteration', 'repetition']
例句：
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1.The problem is that the algorithm has to be recursive to solve it.
问题在于，这个算法必须递归才能解决它。
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2.The teacher explained the concept of recursion in detail.
老师详细解释了递归的概念。
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3.The program uses a recursive approach to calculate the factorial of large numbers.
程序使用递归方法来计算大数的阶乘。