ochrept 淡始成土
ochric andosols 淡暗色土
ochric epipedon 淡色表层
ochric ferralsols 淡色铁铝土
ochric podzols 淡色灰壤
octahedron 八面体
ocular 目镜
odinite 拉辉煌斑岩
odometer 里程表
odorant 着嗅剂
odour 气味
office operation 内业
official cartography 官方地图制图
official map 官方地图
offset machine 胶印机
offset printing 胶版印刷
offshore 滨外的
offshore bar 近岸沙洲
offshore current 离岸流
oikesis 定居
oil basin 含油盆地
oil bearing rock 油母岩
oil deposit 石油矿床
oil field 油田
oil field water 油田水
oil gas 油气
oil geology 石油地质学
oil horizon 含油层
oil plant 油料罪
oil pool 油藏
oil sand 油砂
oil seepage 油苗
oil shale 油页岩
oil slick 油膜
oil well 油井
old mountains 老年山
old red sandstone 古老红色砂岩
old stage 老年期
old valley 老年谷
olfaction 嗅觉
oligocene 渐新世
oligoclase 奥长石
oligodynamic action 微毒酌
oligotrophic brown soil 贫瘠棕色土
oligotrophic conditions 贫瘠条件
oligotrophic lake 寡养湖
oligotrophic moor 寡养沼泽
oligotrophic plant 寡养植物
olive 油橄榄
olivine 贵橄榄石
ombrogenic bog 喜雨沼泽
ombrogenous peat 可变泥炭
ombrograph 雨量记录仪
ombrometer 雨量计
ombrophilous plant 喜雨植物
ombrophobe 嫌雨植物
ombrophyte 喜雨植物
on demand system 按需股务系统
oncogeography 肿瘤地理学
oncolysis 瘤细胞溶解
one crop system 单作
one dimensional correlation 一维相关
one side sight 单向照准线
onkilonite 橄辉霞玄岩
online data processing system 联机数据处理系统
onshore wind 向岸风
ontogenesis 个体发生
ontogeny 个体发生
oolitic limestone 鲕状石炭岩
ooze mud 软泥
opal 蛋白石
opalization 乳白化
opaque paint 不透谜料
open canopy 稀疏林冠
open chain 开链
open channel 摸
open channel flow 摸流
open community 稀疏群落
open commuunity 稀疏群落
open cut drain 玫
open ditch drainage 玫排水
open fault 张开断层
