The stomatal index in the adaxial epidermis changed variably during development of cotyledons.
上表皮气孔指数的变化规律不明显；
Stomatal index in the epidermis of different organs changed variably during the developmental stages.
气孔指数在各器官上的变化规律差异较大。
The stomatal index and transpiration rate changed regularly during three-steps transplantation and the survival rate was over 70 %.
三步移栽炼苗过程中气孔指标及蒸腾强度呈规律性变化，幼苗成活率在70%以上。
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