Any of various plants of the genus Coreopsis in the composite family, especially the North American species, having showy radiate flower heads with yellow or, rarely, purplish flowers.
金鸡菊属菊科金鸡菊属的一种植物，尤其是北美的品种，有富丽堂皇的花冠，花色常为黄，少数的呈淡紫色。
2
In this paper, the problems about shock-absorbing designs of the second species of the main-secondary structures are studied on the basis of the structural composite control theory.
本文利用结构组合控制理论对第二类主、附结构的减震设计同题进行了初步的研究。
3
This paper summarized capabilities of HA and different species of its composite. At last, it dealt with a expectation of the development of tissue engineering materials.