Position Alpha的意思|示意

For our first simple effect, we will draw an alpha-blended (semitransparent) circle at a fixed position over the video stream. The first step is to add the drawing functions to the screen.c.

对于第一个简单效果，将在视频流中的固定位置绘制一个阿尔法混合(半透明的)圆。

The vast majority of alpha dogs rule benevolently. They are confident in their position.

绝大多数阿尔法狗统治是仁慈的。

If the fatty acid "palmitic acid" is on alpha and gamma position it will be released as free fatty acid in the intestine and will bound to calcium to form the insoluble calcium soap.

如果软脂酸是在α和γ位的话，它在小肠中就会以游离脂肪酸的形式分解出来，然后会与钙结合形成不溶性钙皂。