Android,选框切图。 可以缩放选框大小，将框内选中的图片切出返回。-Android, marquee cut Fig. You can scale the marquee size, cut out to return the box of the selected pictures.

Robustness, superior performance, FIG simulation speed, distance, amplitude three-dimensional image, Calculation crosshairs diffraction image at different distances.

内容 simulink 非线性模块仿真正弦信号通过新回环函数,switchtest fig, switchtest mdl()