By UV inducing the protoplasm, a high ASTA producing mutant was obtatined, compared with the initinal strain, the yield of ASTA was increased 86.5%.是什么意思_By UV inducing the protoplasm, a high ASTA producing mutant was obtatined, compared with the initinal strain, the yield of ASTA was increased 86.5%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句