环境的描述是智能体学习的先决条件。
The description of environment is a precondition of agent learning.
youdao
在有些国家，儿童刚上学时学习用印刷体书写。
In some countries children learn to print when they first go to school.
《牛津词典》
今天我们学习长方体、正方体的认识。
Today we'll learn about cuboids and cubes.
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