k NN移动对象kNN查询kn.字母kKhawkinea acutecaudatan.尖尾卡克藻KH Law of South America南美洲法律k - releasing ability解钾能力k -continuous mapping连续映射K. F. A. Gutzlaff郭实腊KZS- PG light control光控自动降尘装置K Knowledge is power.知识就是力量。k-near neighbor group-近邻群K iteration with errors带误差项K迭代序列K homogeneous grammar K次齐次文法