transparent region meaning in Chinese

透明工作区
透螟
透通多工器

Bitmap defining transparent regions of another bitmap
位图定义的另一幅位图的透明的区域。
Another benefit of using png images is their support of transparent regions
另一个好处是用影象巴纽支持透明区域
As a final word of caution , painting transparency is relatively slow , and you should keep your transparent regions relatively small
最后提醒一下，绘制透明性速度相对来说是慢的，应当尽可能使透明区域相对较小。
The following example demonstrates methods for defining a transparent region on a button that contains an image ; any portion of the image that is white will become transparent
下面的示例演示定义包含图像的按钮上的透明区域的方法；图像上的所有白色部分将变为透明。