as nitrogen source
作为氮源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
We should select essential amino acids as nitrogen source.
以必需氨基酸为氨源。
youdao
In this research, compound amino acids (glutamic acid and arginine) were added in litchi juice as nitrogen source and their effects on the fermentation progress were studied.
研究在荔枝汁发酵中添加复合氨基酸(谷氨酸、精氨酸)作为氮源物质对发酵进程的影响。
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