zài / zhè / ge / shí / yàn / zhōng / wēn / dù / shì / zì / biàn / liàng / guāng / zhào / qiáng / dù / bǎo / chí / bú / biàn

在这个实验中，温度是自变量，光照强度保持不变。

In this experiment, temperature is the independent variable, while light intensity remains unchanged.