哥白尼同他的日心说理论就遭到过这样的遭遇.Such was the case with Copernicus and his theory that the earth revolves around the sun.他也提出以引力作用为基础的日心说, 比哥白尼早了几乎一千年.He also propounded the Heliocentric theory of gravitation, thus predating Coperni...
Exogamy The fusion of gametes produced by organisms that are not closely related.(异系配合):亲缘关系较远的生物体产生的配子相互融合.Exogamy remains much less prevalent among African Americans.异族婚姻在非洲裔美国人中仍然很少见。Last, it analyzes the relationship...