agaru沉香素agarn.[植]琼脂；石花菜Agaro-oligosaccharide琼寡糖agar diffusion reaction琼脂扩散试验agar diffusion bioassay琼脂扩散agar-diffusion method琼脂扩散法agarliquefaciens vibrio溶琼脂弧菌agarose pre-embedding琼脂糖预包埋agar gel diffusion test琼脂扩散试验agar embedding material琼脂包埋剂agar gel electrphoresis琼脂凝胶电泳Agaricodochium camellia油茶软腐病