The current state of coenotic populations of rare and endangered species of Uzbekistan-Tulipa micheliana Hoog is given. ......

本文以兰盖克理论为依据,深入探究了have+-en的语义特征,并对易仲良教授提出的have+-en语法结构的语义实质,从新的视角进行论证.......

Lepidium subcordatum Botsch. et Vved. (Brassicaceae) is a rare endemic species of relict mountains of the Kyzylkum deser......

The main goal of this work is to demonstrate the suitability of survival analysis for ontogenetic studies. The research ......

The contradiction between the supply and demand of edible vegetable oil in China is prominent,and the self-sufficiency r......

The migration route of oceanic squid provides critical information for us to understand their spatial and temporal varia......