yán / jiū / rén / yuán / tōng / guò / yǒu / xìng / zá / jiāo / péi / yù / chū / kàng / bìng / xīn / pǐn / zhǒng研究人员通过有性杂交培育出抗病新品种。Researchers developed a disease-resistant new variety through sexual hybridization.