求翻译：接着引出了三维测量设备，详细介绍其分类，发展现状等。最后提出了本课题研究的意义和内容。是什么意思？

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The mechanism design, the two-dimensional engineering plat plan, has designed the electrical schematic diagram; Compiled on the position machine control software, the product prototype has realized the scanning function, and has achieved the high accuracy, requests and so on high efficiency.

Design of mechanical structure, two-dimensional works drawing, designing electrical schematics; write PC control software, product prototype implements scanning functionality, and achieve high-precision, high efficiency requirements.