Soft dot: Half-tone dot with soft halation or fringe around it, AS oppsed to a hard dot which is very sharp and without fringe.

软点：有着淡色晕光或边缘的半色调点子。有别于十分清晰，并无淡边的硬点。

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In this paper, direct platemaking technology is briefed, frequency modulated half tone dot technology (principles, characters and technologics) is emphasized.

本文简述了直接制版技术，着重叙述了调频网点技术，包括原理、特点及技术。

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