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保守性元素
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保守性元素
Encyclopedia
理学
保守性元素
释
conservative elements
保守性元素
在一定时间、空间尺度中保持其基本量、性质、特征不变并与特定指标存在恒定比值的元素。如海洋中某些元素(或者物质)的浓度与海水的盐度或者氯度存在恒定的比值关系。
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Fontéchevade human remains
Foochow Naval Academy
Foochow Shipbuilding Institution
Food
food
food acidifier
food additive
food additive analysis
food additives
Food Additives Handbook
food adulteration
food allergy
food analysis
Food and Agriculture Organization of the United Nations
Food and Agriculture Organization of United Nations,FAO
food and drug safety crimes
Food and Fermentation Industries
Food and Machinery
food and nutrition planning
food and nutrition surveillance
food animaltoxins
food anticaking agent
food antifoaming
food antioxidant
food aseptic packaging
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