Adding silver to the mix expands the expands the tonal range.

加入银的色调范围扩大扩展。

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The tonal range of the image is graphed according to its brightness value.

它的排列范围就是图像明亮程度的梯度反映。

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When we think of the tonal range, we usually think of black and white images and how the highlights and shadows work together.

在考虑色域时，我们常会想到黑白照片和亮部及阴影的相互作用。

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The result of this distinctive design is amazing clarity with minimal loss throughout the entire tonal range.

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The result is striking images and impressive HD video that exhibits faithful color reproduction and tonal range throughout the frame.

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Occasionally, a bird swivels so that its lighter-colored underbelly shows, lending tonal range to the work while also making sure the audience reads these as mynahs and not, say, crows.

WSJ: Flights of Feathered Fancy | Birds in the Art of Japan | Metropolitan Museum of Art | By Lee Lawrence