该系统提供了友好的操作界面，如只需输入季节名称、作物名称、温度、湿度和光照强度，系统就可以得出该作物的灌溉量理论值。

For example, the system can give the theory value of irrigation when crop name, sensor name, temperature, humidity and light are inputted.

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听一听，写四个季节的名称，画四个季节的图画。

Listen. Write the seasons. Draw pictures of the seasons.

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学习各个季节、月份、星期的名称以及时间表达；然后学习如何表达时刻和持续时间(即当前时间和完成事情所要花费的时间)。

Learning the names of seasons, months, the days of the week and how to tell the time. Learning to say what time it is and giving duration (the current time and how long things take).

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