重复一次。
Now we can add a light source (I chose from the top right) for this image so later on we can have some dynamic light effect. To do this, go back to the background layer and duplicate it once more.
现在我们来为图片增加光源(我选的是右上方)，这样我们会有一些动感光线效果。
Perhaps this was once a reasonable assumption, but advances in digital imaging and optics have made it easy to duplicate someone's keys from a distance without them even noticing.
或许这种假设在以前成立，但是数码拍照和光学技术在不断进步，从远处就可以轻而易举地复制你的钥匙，你甚至都不会察觉。
Once we have that plane into place, we can duplicate, scale and move it to create different copies.
一旦平面能够准确匹配，我们就可以开始复制、缩放和移动不同的拷贝(刚才所建的零高度立方体的拷贝——译者注)。
You can create the placeholder once, then duplicate it for each test plan (with the idea that the headline and other metadata will be modified as the plan is actually developed).
您能够创建一次占位符，然后将其复制到每一个测试计划中(当计划被实际实施时，标题和其他元数据将将被修改)。
You can create the placeholder once, then duplicate it for each test plan (with the idea that the headline and other metadata will be modified as the plan is actually developed).
您能够创建一次占位符，然后将其复制到每一个测试计划中(当计划被实际实施时，标题和其他元数据将将被修改)。
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