这些物种的信息是通过像国际植物园保护联盟植物收索和英国注册树这些数据库认证的。

The species were identified through databases such as the BGCI's PlantSearch and the UK Tree Register.

youdao

购买商业数据库存在一定的局限性，而自建数据库仅依索图书馆专业人员也不易建设出高质量的数据库。

Commerce database has certain limitation, while self - built database request high technical ability which is beyond the ability of specialized librarians.

youdao

很抱歉，我们的数据库里找不到您提供的多媒体数字信号编解码。不过，我们会努力按您的要求去收索，并可能在以后的时间里加到数据库中。

Sorry, we couldn't find any codec with that guid in our database, the good news is that we will investigate your submission and probably add it later.

youdao