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腾讯网
3 天
主任提问:颈项透明层 > 2.5 mm,意味着什么?还能继续妊娠吗?
确认正常妊娠后,孕妈妈面临的第一次比较重要的超声检查就是胎儿颈项透明层(Nuchal Translucency,NT),想必许多人也已经非常熟悉了。NT 检查通过,自然欢天喜地。但是发现 NT 增厚,是不是像晴天霹雳,这个娃就不能要了呢?虽然 NT ...
PC Magazine
6 年
alpha blending
In computer graphics, the combining of the alpha channel with other layers in an image in order to show translucency. The alpha channel is an additional eight bits used with each pixel in a 32-bit ...
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