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旱生植物
干旱环境中,经过长期自然选择和适应,在形态、解剖结构和生理代谢等方面已具有一系列特殊耐旱特征,能够在大气和土壤长期干旱条件下维持体内正常水分平衡,保持正常生长发育和繁衍的一类植物。
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maintenance of landfill after closure
maintenance of landscape appearance
maintenance of landscape facilities
maintenance of navigation structure
maintenance of relay protection in power system
maintenance of release structure
maintenance of rotary air heater
Maintenance of social medical insurance system
maintenance of subgrade
maintenance of the Three Pagodas of Chongsheng Temple in Dali
maintenance of urban gas facilities in operation
maintenance of water conveyance structure
maintenance of water retaining structure
maintenance panel
maintenance period of general anesthesia
maintenance phase
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maintenance policy
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maintenance program of aircraft
maintenance project of Guangji Temple ancient buildings in Jinzhou, Liaoning
maintenance rate
Maintenance Regulation
maintenance & rehabilitation on airfield area
maintenance requirement
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