Forty - five genotypic sweet corns were classified into two groups in euclid space based on the clustering of the plant regeneration of the embryos using the analysis of principle components 利用主成分坐标分析并在此基础上对不同基因型甜玉米的再生能力进行聚类，并按欧氏距离将45种不同基因型玉米划分为2个大组群。
New period requires new organization of teaching building in new campuses . new teaching building groups were mostly in " complex style " , which is quite different from the " disperse style " of ones 新校园教学楼组群的设计，融合了时代的诸多需求，多采用“集合式”的组织方式，与传统老校园中“分散式”有着明显的差别。
Shape angle : in the second and third chapter , concentrating the cluster space composes . form two different angel - " street and lane " and " building group " , we main base on the space shape and emphases the physical space 并在形态研究中，重点将簇群空间分为两个部分来探讨，即街巷空间和建筑组群，分别从不同角度来剖析古镇簇群形态。
A group - key distribution protocol is designed which has the capability of self - recovery and coalition - attack - resisting , particularly suitable for highly lossy transmission environment such as wireless sensor networks 摘要构造一个具有自恢复能力和抵御合谋攻击能力的组群密钥发布协议，该协议特别适合于高度易失传输环境，例如无线传感器网络。
