When the concentration of NaCl was increased from 0.3% to 0.8%, the callus on the regenerative culture medium containing 0.8% NaCl gradually turned to brown and died at last.是什么意思_When the concentration of NaCl was increased from 0.3% to 0.8%, the callus on the regenerative culture medium containing 0.8% NaCl gradually turned to brown and died at last.在线翻译_英语_读音_用法_例句