orthographic projection 正射投影 orthography of geographic names 地名正字法 orthometric correction 正高改正 orthometric height 正高 orthomorphic projection 正形投影 orthophotograph 正射相像片 orthophotography 正射投影 orthophotomap 正射影像地图 orthoprinter 正射投影装置 orthoprojection 正射投影 orthoprojector 正射投影装置 orthostereoscopy 正立体法 orthox 正常氧化土 ortstein 硬盘 oscillation 振荡 oscillation center 振动中心 oscillation frequency 振荡频率 oscillatory ripples 摆动波痕 osier bed 柳林 osmium 锇 osmoregulation 渗透第 osmotic equilibrium 渗透平衡 osmotic exchange 渗透交换 osmotic potential 渗透势 osmotic pressure 渗透压力 osmotic regulation 渗透第 osmotic suction 渗透吸力 osteopsathyrosis 骨脆症 outcrop 露头 outcrop of ground water 地下水露头 outer electron 外电子 outer shell electron 外电子 outflow 瘤 outgoing radiance 射出光亮度 outgoing radiation 逸出辐射 outlet 出水口 outlet glacier 注出冰川 outlier 遗证岗 outline 轮廓线 outline chart 略图 outline draught 平面图绘制 outline map 略图 output 输出 output device 输出设备 output image 输出图像 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 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 overlap indicator 重叠指示器 overlap of strips 带重迭 overlap region 重叠区域 overlap regulator 重叠控制器 overlapping coefficient 重叠率 overload 超载 overloaded river 过负荷河 overlying deposit 表层沉积 overlying rock 覆盖岩石 overlying strata 表层 overprint 加印 oversaturated rock 过饱和岩 overstocking 过度放牧 overthrust 上冲断层 overthrust block 掩冲体 overthrust plane 逆断层面 overtrade wind 高层信风 overturned anticline 倒转背斜 overturned bedding 倒转地层 overturned fold 倒转褶皱 overturned succession of strata 倒转层序 oxalate 草酸盐 oxbow 型河床 oxbow lake 牛轭湖 oxic horizon 氧化层 oxidability 可氧化性 oxidant 氧化剂 oxidase 氧化酶 oxidation potential 氧化电势 oxidation reduction cycle 氧化还原循环 oxidation reduction potential 氧化还原电位 oxidation reduction system 氧化还原系 oxidation state 氧化态 oxidative fermentation 氧化发酵 oxidative phosphorylation 氧化磷酸化 oxide 氧化物 oxidized zone 氧化带 oxidizing enzyme 氧化酶 oxidizing reducing barrier 氧化还原障 oxidoreductase 氧化还原酶 oxisol 氧化土 oxychalcophile elements 亲氧 亲铜元素 oxydate 氧化产物 oxygen 氧 oxygen bonding properties 氧结合性能 oxygen capacity 氧容量 oxygen cycle 氧的循环 oxygen demand 需氧量 oxygen demanding pollutants 需氧污染物 oxygen geochemical barrier 氧地球化学障 oxygen isotope method 氧同位素法 oxygen number 氧价 oxylophytes 喜酸植物 oxyphile elements 亲氧元素 ozocerite 地蜡 ozone layer 臭氧层 ozonization 臭氧化酌 ozonolysis 臭氧分析;臭氧分解 ozonosphere 臭氧层