Arc spraying rapid tooling manufacturing technique based on RP is a new technology of mould making.
基于RP原型的电弧喷涂快速模具制造工艺是一项模具制造新技术。
Based on the principle of the least deviation method, the paper puts forward a rapid and high-precision arc interpolation method through special-structural discrimination function.
在最小偏差法原理的基础上，通过构造独特的偏差判别函数，提出了一种快速高精度的圆弧插补方法。
The electric arc furnace steel-making productivity has gained rapid progress in the recent years.
近几年来， 电弧炉炼钢生产率有较大的提高。
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