目录引言“请用python在abaqus中创建一个30*30*30的立方体3”“在Abaqus中创建GUI界面，要求用户输入立方体的长宽高。”小结：引言
Usually I would use :hover, but I want my website to be accessible on touchscreen media too. I know I can use :active, but as soon as I let go of the mouse button, it goes back to its inactive state.
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