有机酸对土壤磷的固定有较大影响，其影响作用从大到小依次为腐殖酸、柠檬酸、酒石酸。
Organic acids have a great effect on phosphorus mobilization with humic acid stronger than simple organic acids.
各地区自然通风有效时数从大到小依次为：成都、广州、西安、南京、北京、乌鲁木齐、哈尔滨。
The number of hours of natural ventilation effective of all regions in decreasing order is:Chengdu, Guangzhou, Beijing, Nanjing, Xian, Harbin, and Urumqi.
各栽培品种叶片的光合速率从大到小依次为：武植3号、金阳、通山5号、金魁、秦美、海沃德和魁蜜；
The varieties leaf photosynthetic speed from more to less in proper order are:Wuzhi 3, Jinyang, Tongshan 5, Jinkui, Qinmei, Hayword and Kuimi.
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