QN：问题编号

英文缩写词QN的例句

1. The analysis of choosing tools is introduced in order to solve numerical control working question for complex ventilation slots on rotor in exciter, and technique analysis and generating routing method for solving complex question of numerical control working are introduced in this paper.
2. 本文介绍了为解决形状复杂的励磁机转子通风槽数控加工问题所进行的刀具选择分析，以及用计算机技术解决复杂数控加工问题的工艺分析和编程方法。
3. For guaranteeing the arithmetic accurate, we analyze the numerical value's stability and discussion question of numerical value frequency dispersion to the two-dimension TM electromagnetic wave ( GPR wave ), deduce out numerical value's stability expression and ideal frequency dispersion relation.
4. 为了保证算法的精确性，我们对二维空间的TM电磁波（雷达波）进行数值稳定性分析及数值频散问题的讨论，推导出了数值稳定性条件表达式和理想频散关系；
5. At the same time calculation of numerical value is a necessary link solving the linear system of equations, which is a very important question in calculation of numerical value.
6. 数值计算是科学计算中的一个必不可少的环节，而在数值计算中，一类很重要的问题就是线性方程组的求解。
7. Solution 1 is to research the question of higher order numerical differentiation under non-uniform distribution by using Tikhonov regularization method and constructing a five order spline funtion.
8. 方法一是利用Tikhonov正则化方法，通过构造一个五次样条函数研究了不等距分布下的高阶数值微分问题。
9. To be sure, there is room for compromise, especially on the first question, but the issues are not just numerical.
10. 可以肯定的是，以上这些问题尤其是第一个还是有讨论的空间的，但绝不仅是数字的问题。