该委员会希望找到关于“晕涂法”这种巧妙地混合两种色调的技巧的更多细节，达芬奇经常用这种手法创造朦胧的效果。

The council had hoped to discover more details about Leonardo's "sfumato" technique of subtly blending one tone into another, which the artist used to create a hazy effect.

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不能只是简单地把节能灯安装在白炽灯装置上，然后还指望它产生的视觉效果不仅仅是微弱、朦胧、昏暗的感觉。

A CFL cannot be simply installed in an incandescent fixture and then expected to produce a visual appearance that is more than washed out, foggy, and dim.

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通过使用多次调整过的薄釉层，达芬奇获得了这种让他闻名于世的朦胧阴影效果。

By applying many thin coats of this adapted glaze, he achieved the smoky shadowing he became famous for.

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