In this review we focuse mainly on the structure characteristic and reactivity of hypervalent compounds. 本文重点阐述了超价化合物的结构特征和反应活性。
The anatomical characters of petioles could be used to circumscribe the species within Osmanthus as they are stable between different species. 木犀属植物叶柄的解剖结构特征比较稳定,可作为该属的分种特征。