1) matrix distance
矩阵距离
1.
Based on the minimum matrix distance criterion, the method equals to aggregating individual pairwise judgment matrices to find a matrix, the sum of whose distances to the individual matrices is minimized, and then the latter reduces to a goal programming model.
在分析了基于层次分析法的群体决策方法的类型、评价准则后，提出了一种基于最小矩阵距离准则的群体决策方法。
2) distance matrix
距离矩阵
1.
Study on the improved topological index of distance matrix and its application;
改进的距离矩阵指数W_1~*及其应用研究
2.
The element of matrix in the distance matrix S*_~ij is defined and the topological index W* based on the distance matrix is defined as well.
定义了矩阵元Sij和基于距离矩阵的拓扑指数W。
3.
According to the adjacency matrix and distance matrix of the two units, the sequential formulas to calculate Wiener topological indices or molecular topological indices have been given.
将任一枝状烷烃拆分为由直链单元与余下烷基两部分构成,从隐氢图的距离矩阵和邻接矩阵出发,分别导出了计算该烷烃的MTI和Wiener拓扑指数的递推公式,进而证明了直链烷烃的MTI与Wiener指数间存在3。
3) distance matrix method
距离矩阵法
4) three-dimensional distance matrix
三维距离矩阵
1.
A novel three-dimensional topological index 3-DM(W)was proposed on the basis of this three-dimensional distance matrix and the same calculation formular of Wiener index(W).
本文从有机化合物分子三维空间结构出发,用其原子间的空间距离以替代二维距离矩阵,传统表示方法中的拓扑距离(键的数目),首次提出并建立表示分子空间结构的三维距离矩阵计算模型,并基于三维距离矩阵提出三维结构拓扑指数3- DM(W),将分子所含原子个数和支化度组合作为BP人工神经网络(BPANN)的输入参数,利用BPANN预测烷烃化合物的临界温度(T_c),结果精度符合化工计算的要求。
5) Hamming distance matrix
海明距离矩阵
6) cycle-matrix of distance
距离循环矩阵
1.
In order to weld more solder point and obtain laser welding with high efficiency in laser spot welding based on dual galvanometer scanning during the equal time,the scanning path is represented as cycle-matrix of distance,and a genetic algorithm was applied to the path optimization.
在振镜扫描式激光点焊技术中,为了能在相同的时间内扫描焊接更多的焊点,以提高整体的激光扫描点焊速度,采用距离循环矩阵来表征扫描路径,再用遗传算法将此矩阵优化处理。
补充资料：60钴远距离治疗
60钴远距离治疗
利用60钴所产生的高能γ射线作远距离治 疗。60钴还可进行腔内或组织间治疗。见"X线治疗"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条