The process of preparation of vanadium nitride by reduction and nitrogenization pro2 cess is theoretically analyzed and experimentally discussed.
摘要对还原氮化制备氮化钒的过程进行了理论分析和实验探讨。
The forma2 tion of errors is supposed as a change process from a circle to an ellipse (ellipse hypothesis) , and the reverse pro2 cess is just the compensation process.
把误差的形成过程假设为从圆到椭圆的变化过程（椭圆假设） ，其逆过程就是误差补偿的过程。
The forma2 tion of errors is supposed as a change process from a circle to an ellipse (ellipse hypothesis) , and the reverse pro2 cess is just the compensation process.
把误差的形成过程假设为从圆到椭圆的变化过程（椭圆假设） ，其逆过程就是误差补偿的过程。
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