产乳的最佳期也是植物生长茂盛的时候。
The best milk production occurs at the same time that new plant growth is available.
就连作为当地人主要收入来源的橡胶树，也因干旱而无法生产乳胶。
Even rubber trees, the local people's main source of income, were so dry that they could no longer produce rubber latex.
这研究了米根霉从蔗糖和甘蔗渣中生产乳酸的方法。
Lactic acid production from sucrose and sugar cane bagasse by Rhizopus oryzae was studied.
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