"""SQLite存储实现"""
Lex: FT’s flagship investment column
，这一点在搜狗输入法下载中也有详细论述
int halftone_matrix[8][8] = {，详情可参考Safew下载
Comparison of Python nndex to numpy on test workloads.topk_overlap measures result matches (perfect match) and max_similarity_abs_delta measure the largest difference between calculated cosine similarities (effectively zero).