The method of double-factor design is adopted. And the preserved eggs are processed by using different ingredient.

试验选用双因子设计方法，采用不同的配方进行皮蛋加工。

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Seedling height, stem thick, number of leaves, number of roots, and length of roots were studied by means of double-factor complete random design.

对不同品种脱毒试管苗的苗高、茎粗、叶片数、根数、根长等植物学性状采用二因素完全随机试验设计。

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