尼龙丝是分子主链上含有重复酰胺基团—[NHCO]—的热塑性树脂总称。包括脂肪族PA，脂肪—芳香族PA和芳香族PA。其中，脂肪族PA品种多，产量大，应用广泛，其命名由合成单体具体的碳原子数而定。那么尼龙
What I am trying to do is use alpha blending in XNA to make part of a drawn texture transparent. So for instance, I clear the screen to some color, lets say Blue. Then I draw a texture that is red. Fi
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