求翻译：以奶粉和姜汁、红糖为主要原料，加入保加利亚乳杆菌与嗜热链球菌比例为1:1的发酵剂，采用了单因素试验、正交试验，确定了最佳的酸奶配方是什么意思？

With milk and ginger , brown sugar as the main raw material, adding Lactobacillus bulgaricus and Streptococcus thermophilus ratio of 1 : 1 leavening agent , using a single factor test , orthogonal test to determine the best yogurt recipe

For milk and ginger, brown sugar is the main raw materials, to join Bulgaria milk Bacillus and International Hot Streptococcus for a 1:1 ratio of fermentation agent, with a single-factor test, the orthogonal pilot to determine the best yoghurt recipe

Take the powdered milk and Jiang Zhi, the brown sugar as the primary datas, joins the Bulgarian lactobacillus with to be addicted to the hot chain coccus proportion is 1:1 hametz, has used the single factor experiment, the orthogonal experiment, has determined the best yogurt formula

Using powdered milk, brown sugar and ginger juice as the main raw material, adding Bulgaria milk fermented with Lactobacillus bulgaricus and Streptococcus thermophilus 1:1 agent, using single-factor, orthogonal, determine the best yogurt recipes

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