A system of fine lines dots cross hairs or wires in the focal plane of the eyepiece of an optical instrument.

光学仪器的目镜上的细线、圆点、十字型细线或金属丝组成的系统。

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After the dots are fine tuning based on gray projection calculation, they are chosen ground on gray and edge information.

再对候选点进行基于灰度投影积分的小邻域微调；然后结合灰度信息和边缘信息进行人眼点的筛选。

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A fingernail, an old coin, or the roof of an old car will all show a very fine granular pattern of tiny colored dots.

可以是指甲、旧硬币、或旧汽车车顶，它们将显示出微小的彩色颗粒状斑点。

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Dr Sheridon and his colleagues have created prototype displays with more than 200 dots per inch (80 dots per centimetre) about twice as fine a resolution as most laptop screens, but only half as clear as a decent laser printer.

ECONOMIST: Showing off