window comparator

例句：

1. 1.The window comparator is used to compare the size of two windows.
   窗户比较器用于比较两个窗户的大小。
2. 2. The window comparator helps us to determine which window is larger.
   窗户比较器帮助我们确定哪个窗户更大。
3. 3.The window comparator is an essential tool for measuring the size of a window.
   窗户比较器是测量窗户大小所必需的工具。