What does this Shunting-Yard algorithm statement mean?

这是否调车场算法语句的意思是什么？

youdao

I don't understand logic to do it using Shunting-Yard algorithm.

我不懂逻辑使用调车场算法。

youdao

I don't understand logic to do it using Shunting-Yard algorithm.

我不懂逻辑使用调车场算法。

youdao