At present, the detection methods based on PCR are the main methods for fruit tree viruses, and many fruit tree viruses have been detected by PCR.
基于PCR技术的检测方法是目前果树病毒检测的主要方法，许多果树病毒的PCR检测体系已经建立。
All kinds of different methods based on rooted-tree multicast key distribution schemes make efforts to minimize the user key storage while providing efficient member deletion.
基于生成树组播钥匙分配方案的各种方法在提供有效的用户删除方法的同时努力将用户钥匙存储最小化。
Two methods for text categorization fuzzy rule extraction are presented based on fuzzy decision tree.
应用多目标模糊决策方法建立了太行山造林树种选择模型。
The problems and defections of the existing methods of SVM multi-class classification were analyzed. A multi-class classification based on binary tree was put forward.
介绍了几种常用的支持向量机多类分类方法，分析其存在的问题及缺点。
The multiclass SVM methods based on binary tree are proposed.
基于二叉树的多类SVM方法的建议。
The multiclass SVM methods based on binary tree are proposed.
基于二叉树的多类SVM方法的建议。
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