This paper introduces a theory based on off-line interpolation suitable for NC machining to generate curved line or face, with a primary-secondary computer NC system.

本文提出了一种适用于一般空间曲线、曲面数控加工的离线插补原理，并探讨了书这一原理应用于主从式数控系统的理论和实战问题。

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Wang Wang mountains cut off the tree, north face booties, Lotus Hill had stolen the tomb of this life-line to make horizon Road, Palestinian children is a cool city.

望王山上砍过树，莲花山上盗过墓，此生行尽天涯路，巴城儿女就是酷。

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Problems which we face on the Internet, it is problems of the world of off-line, it is simple in a new form, Larry Magid considers.

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Blackburn refused to lie down however, and having won a face-off in the opposing zone, were able to force the puck over the line, to set up a grandstand final minute's play.

BBC: Blackburn Hawks suffer Lions loss

Apart from the full line competitors, of Boeing and Airbus, MRJ must face off directly with the well-established Canadian Bombardier and Brazilian Embraer.

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