Just curious, if I have a sprite开发者_如何学编程 on the stage with the alpha set to 0 does that take up just as much memory as a sprite that is visible?
1、首先，打开搜索栏，输入“知网”字样，并点击搜索结果中的知网官网。2、进入知网官网以后，我们点击搜索栏右侧的“高级检索”选项。3、在高级检索状态下，我们将检索结果选定在“外文文献”区域，并且在搜索栏
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