heterosis的音标：heterosis的英式发音音标为：[ˌhetə'rɒsɪs]heterosis的美式发音音标为：[ˌhetə'rɒsɪs]...

n.杂种优势，混种盛势...

Selecting parents with medium genetic distance may probably gain stronger heterosis.在亲本选配时,应选择遗传距离中等偏大的材料.He made splendid achievements in starting and promoting the use of hybrid heterosis.他在水稻杂交优势利用的开创和发展方面成就卓越....