k NN移动对象kNN查询kn.字母kk-th power free numbers无k次因子数K-- Nearest Neighbors最邻近法k-set logistic equation周期正解Khawkinea breviflagellatan.短鞭卡克藻kkinetic energy rejection排出动能K-Means cluster analysis快速聚类分析K.Dutt told reporters.所有恐怖分子已被击毙。"K-fertilizer application钾肥用量K anti-infective vitamin抗感染维生素khri-gtsug-lde-btsan赤祖德赞