相比杓兰，兜兰叶片具有高的构建成本和长的偿还时间。
The leaf of Paphiopedilum had higher leaf construction cost and longer repayment time than that of Cypripedium.
杓兰的叶片性状是对水肥条件较好，但季节波动较大生境的适应。
The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.
杓兰的叶片性状是对水肥条件较好，但季节波动较大生境的适应。
The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.
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