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沙冬青是一种特殊的常绿荒漠植物，具有很强的抗热性、抗寒性以及抗旱性。在本文中，我们在人工控制环境下，研究了沙冬青叶片水势与蒸腾作用的关系、沙冬青叶片水势与叶片含水量的关系以及叶片蒸腾作用与叶片温度的关系。
Aesculapius is a special evergreen desert plant that has strong resistance to heat, cold and drought. In this paper, we studied the relationship between the leaf water potential and transpiration, the relationship between the leaf water potential and the leaf water content, and the relationship between the leaf transpiration and leaf temperature under artificial control.