剑兰;菖兰;
Technique of mutation breeding in gladiola was studied by means of electron beam.
用电子束辐射唐菖蒲种球,研究唐菖蒲的诱变育种.
简答网 · 双语娱乐资讯
简答网 · 高考英语
简答网 · 四六级英语