Can you tell us the size of the 4 square cut mirrors?

4个方形的镜子，你能告诉我尺寸吗？

It is the section image after cutting the square cut and a outlet (or bottom side) view.

此图像是切割方形切口时留下的截面图像，它是一个出口(或底侧)视图。

A Chinese puzzle consisting of a square cut into five triangles, a square, and a rhomboid, to be reassembled into different figures.

一种发源于中国的智力游戏，一个正方形被切成了五个三角形、一个正方形和一个长菱形，玩游戏者要把它们重新组合成不同的形状。

Cut the circular cake in half and set each semicircle against adjoining sides of the square to form the top of the heart.

把圆形蛋糕切成两半，把每个半圆放在正方形的两边，形成心形的顶部。

The principal square root function is defined using the nonpositive real axis as a branch cut.

主平方根函数是使用非正实轴作为分支切割定义的。