When you want a transparent background.
透明的页面背景。
Create a new file in The Gimp with a transparent background at 3520x720.
在Gimp中创建一个具有3520 x 720透明背景的新文件。
Rainbows in different shape realistic set on transparent background.
在透明背景上设置现实的不同形状的彩虹。
You can switch from a transparent background (the default) to an opaque background, and back again.
您可以从透明背景（默认情况）切换到不透明背景，然后再切换回去。
First of all create a new document which is 128 x 128 pixels large and has a transparent background.
首先我们需要新建一张大小为128*128像素的画布，选择透明背景。
For example, specifying a transparent background with a 0 option and encoding in mpeg4 will produce black for the background color.
例如，指定透明背景为0选项并用mpeg4编码将生成黑色背景色。
Maintaining a transparent background and tracking hits on the overlying text proved to be quite a challenge, as this source demonstrates.
生成一个透明背景并跟踪对其中的文本的点击是很具挑战性的，正如源代码也演示的那样。
When you use a selection tool, the Transparent Background and Opaque Background options appear in the option selector on the Image Editor toolbar (as seen below).
当使用选择工具时，“透明背景”和“不透明背景”选项出现在“图像编辑器”工具栏上的“选项”选择器中(如下所示)。
Each pie sliced is, in turn, set to transparent, and the Mosaic background image is then applied to the pie graph.
依次将每个饼图分区设为透明，并且随后将拼成的背景图像应用到饼图中。
Notice how the transparent color changes and blends with the background.
留意透明颜色如何变化并与背景融合。
To achieve this effect, designers often create a container with a transparent PNG-image as background and place the content inside the container - with equidistant padding on all sides of the box.
要达到这个效果，设计者们通常会创建一个容器，用一张透明的PNG图像作为其背景，并把内容放在这个容器中。
The opacity can depend on the distance to the camera, meaning that the images in the background can be a little transparent to give the feeling of depth.
不透明度可以根据离摄像机的远近来确定，也就说，背景中的图形要更加不透明一些，给人以纵深感。
The transparent color means that no color is specified and that it is the same as the page's background color.
透明颜色意味着未指定任何颜色，与页面的背景颜色相同。
As we have SWT widgets inside our shell and we intend to use a gradient background on the shell itself, all the widgets need to be transparent.
由于我们的SWT组件在shell内部并且我们打算对shell本身使用渐变背景，所有的组件都必须是透明的。
The DelegatePaintPanel subclass allows any image to be the background of any other (partially transparent) component.
delegatepaintpanel子类允许任何图像作为任何其他(部分透明)组件的背景。
As a web developer, one of the most common tasks I encounter is changing the background color of an icon or making its background transparent.
作为一个网页开发员，我用Photoshop最常要做的是改变图标的背景颜色或者是把图标背景变透明。
To delete the background and make it transparent, simply press the delete key to clear the area below the selection.
简单的点击Delete键我们就可以去除背景并把它变透明。
Broad support for images with fully transparent alpha channels, in addition to the canvas and new border and background CSS properties, allow for our designs to feel a bit more organic.
除了画布和新的border和background等CSS属性，还对带有完全透明的alpha通道的图像提供了普遍支持，这些使得我们的设计看上去更加有机。
Finally, you can see that the background is semi-transparent.
最后你可以看到背景是半透明。
You can set the background to transparent and save them as PNG format.
您可以设置透明的背景，并保存为png格式。
The background of the PNG pattern is transparent.
背景巴新格局，是透明的。
Contracted line draw the outline of the space of transparent atmosphere, wide green background wall represents the environmental protection concept, bouncing colour represents a burst of energy.
简约的线条勾勒出通透大气的空间，宽幅的绿色背景墙代表着环保理念，跳跃的色彩代表着迸发的活力。
But if you want to set out the background of a somewhat transparent, it is very easy to do.
但是如果你想要某一列的背景有点透明的话，这点是很容易做到的。
But if you want to set out the background of a somewhat transparent, it is very easy to do.
但是如果你想要某一列的背景有点透明的话，这点是很容易做到的。
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