Based on the method of randomized block design,a pot experiment was conducted to study the effects of cobalt on the corn seedling growth and the cobalt content in corn seedling.是什么意思_Based on the method of randomized block design,a pot experiment was conducted to study the effects of cobalt on the corn seedling growth and the cobalt content in corn seedling.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句