First, introducing the whole structure of the nc system, including the hardware and software.

首先对开发的数控系统的总体结构进行了介绍，包括硬件和软件部分。

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In this paper, in the first place the mathematical model of the feed drive system of the NC planer type miller is built up.

本文首先建立了数控龙门铣床进给传动链的数学模型。

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YK2045 NC cylindroconical helix gear grinding machine is the first NC cylindroconical helix gear grinding machine of 5 axes linkage with 7 axes in our country.

YK2 0 4 5数控磨齿机是目前国内研制的第一台七轴五联动的数控螺旋锥齿轮磨齿机。

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In his first year with the Wolfpack, former NBA head coach Sidney Lowe led his alma mater to victories over Duke, North Carolina and Wake Forest University, marking the first time in four years that NC State beat all three in-state opponents during the same season.

FORBES: The Most Valuable College Basketball Teams

The UML and NC both expected to win the country's first post-war election last year.

ECONOMIST: The peace process still on life-support