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Basically an error concerning a *.dll error means that you're program did not find the correct library. It could simply not locate it. There are some major reasons for this:

1. You forgot to add the lib directory to the PATH variable of your system
2. You forgot to include the correct linker libraries and paths in the linker settings

I suggest you follow the following tutorial again, and head back at us if any problems arise. http://blog.hcilab.org/bastian/2012/06/installing-opencv-2-4-windows-7-visual-studio/

On the other hand, posting chinese errors won't help you much on an English forum. In the future, translate and provide more information about your system, if it handles errors.