output per hectare 每公顷产量
outwash 冰水沉积
outwash gravel 漂水砾
outwash plain 冰水沉积平原
ovary 子房
over exposure 过度曝光
over irrigation 滥灌
overburden pressure 表土层压
overcast sky 阴天
overdeepened valley 过蚀谷
overdevelopment 过度显影
overfall 溢水坝
overflow 溢流
overflow dam 溢劣www.dljs.net
overflow meadow 泛滥草甸
overflowing 洪水
overfold overturned fold 倒转褶皱
overground part 地上部分
overhead irrigation 人工降雨
overheating 过热
overland flow 坡面漫流
overland runoff 地表瘤
overlap 超复
overlap control 重叠蝶器
　　本文标题：地理专业词汇英语翻译(O开头)(6)
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