曲线工具是计算机绘图中最复杂的工具，被用作调整图像的色度、对比度和亮度。
你可以使用旋转编辑器制作灯座，利用曲线工具模拟悬挂着的电线。
You can use a Lathe Modifier for the base of the Lamp and splines for simulating the hanging cables.
虽然年轻一代更喜欢视觉上的交流，但是对于那些习惯于使用电子邮件等传统工具的人来说，这就像是一个学习曲线的过程。
While the younger generations prefer to communicate visually, for those used to working with traditional tools like email, it may feel like a learning curve.
对于这些工具的学习曲线是不寻常的，但是通过这段时间我们已经能够很舒服的使用他们了。
The learning curve for the tools had been nontrivial, but by this time we were quite comfortable with them.
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