英语语法分析

OBJECTIVE To study the chemical constituents of the flower of Juglans regia.

目的对核桃花的化学成分进行分离与鉴定。

Any of about 20 species of deciduous trees in the genus Juglans, family Juglandaceae.

亦称核桃。胡桃科胡桃属植物，约二十种落叶乔木。

Application of Microsatellite DNA on Analyzing the Homology of Related Species in Juglans l.

微卫星DNA在核桃属近缘种同源性分析上的应用。