黑曜岩 obsidian?
障碍物 obstacle?
锢囚锋 occluded front?
封闭水 occlusion water?
锢囚 occlusion?
掩星法 occultation method?
隐蔽 occultation?
职业病 occupation disease?
职业癌 occupational cancer?
职业病学 occupational pathology?
职业中毒 occupational poisoning?
出现 occurence?
障碍物 obstacle?
锢囚锋 occluded front?
封闭水 occlusion water?
锢囚 occlusion?
掩星法 occultation method?
隐蔽 occultation?
职业病 occupation disease?
职业癌 occupational cancer?
职业病学 occupational pathology?
职业中毒 occupational poisoning?
出现 occurence?
海洋声波遥感 ocean acoustic remote sensing?
海洋声层析成相 ocean acoustic tomography?
海洋气候 ocean climate?
海流 ocean current?
海面形态 ocean surface topography?
大洋 ocean?
海洋盆地 oceanic basin?
大洋地壳 oceanic earth‘s crust?
边缘海岭 oceanic fringing rises?
海洋锋 oceanic front?
海洋岛 oceanic island?
大洋裂谷系 oceanic rift valley system?
海洋性拉斑玄武岩 oceanic tholeite?
海沟 oceanic trenches?
海洋度 oceanicity?
海洋工程学 oceanics?
大洋岩 oceanite?
海洋地图集 oceanographic altas?
海洋甸 oceanographic survey?
海洋示踪物 oceanographic tracer?
海洋遥感 oceanographical remote sensing?
海洋学 oceanography?
海洋学 oceanology?
淡潮淋溶土 ochraqualf?
舣 ochre?
淡始成土 ochrept?
淡暗色土 ochric andosols?
淡色表层 ochric epipedon?
淡色铁铝土 ochric ferralsols?
淡色灰壤 ochric podzols?