名词
中文翻译：梯级法
同义词：
['ladder', 'ladder-based approach']
例句：
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1. The ladder method is used to climb up the tree.
梯级法用于爬树。
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2. The ladder method was developed to help children learn basic math concepts.
梯级法是为了帮助儿童学习基本数学概念而开发的。
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3. The ladder method is a systematic approach to problem solving.
梯级法是一种系统性的问题解决方法。