Nowadays the query optimization technique of XML databases has become a hot research topic in database field, and twig pattern matching is an important problem in XML field.
XML数据库的查询优化技术是当前数据库领域中的一个研究热点，而小枝模式匹配又是其中的一个研究重点。
Genetics research of PD has been a hot topic nowadays, which provides hope for revealing the pathogenesis of PD.
目前PD遗传学的研究成为热点，为明确PD的发病机制带来了希望。
Nowadays, risk theory is a hot topic both in actuarial science and mathematics research.
风险理论是当今精算界和数学界研究的热门课题。
应用推荐