"one branch, one mud at a time, a lodge rises", said Haohao.
定义 词典类型 为 DBoW2::TemplatedVocabulary<DBoW2::FORB::TDescriptor, DBoW2::FORB>.
DBoW2::TemplatedVocabulary<DBoW2::FORB::TDescriptor, DBoW2::FORB>
