In the printing process, a continuous tone picture image in the original is converted in a half tone image on the printed material by using screen dots printing technique.

印刷工艺过程中，原件上的连续调画面是通过网点印刷技术转换成印刷制品上的半色调影像的。

youdao

The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.

卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。

youdao

Again, this is more common with fake HDR, but spoiling a tone-mapped image is possible, too, if you process it too much.

这个问题又是在伪hdr上更为普遍，但是如果你处理过度，损坏色调映射图像也不是没有可能。

youdao

Its businesses have played a critical role in setting the tone for Spain's image abroad and the pace of its involvement around the world.

CNN: After the bailout, Spain needs to rise to the challenge

Live Guide, a graphic user interface that provides simple assistance to control settings to capture the perfect image, adjusts color and tone at the swipe of a finger.

ENGADGET: Olympus SH-50 iHS touts 5-axis video stabilization in a compact, $300 camera (update: hands-on pics)

Users can quickly sort by the date or week the image was taken, the overall color tone, as well as whether they're searching for portraits or specific file types, including photos, videos, or voice memos.

ENGADGET: Samsung expands SL camera lineup: SL820, SL620, SL202 and SL30