a horizon 腐殖堆积层 a lava 块熔岩abandoned field 撩荒地 abandoned lands 撩荒地abandoned mine 废弃矿山 abandoned shoreline 旧岸线aberration 像差 abiogenesis 自然发生abiotic factor 非生物因素 ablation 水蚀ablation moraine 消融冰碛 abnormality 反常aboriginal 土着的 abrasion 海蚀abrasion platform 浪蚀台地 abrasion shore 浪蚀海岸abrasion surface 浪蚀面 abrasion terrace 海蚀阶地abrasive 研磨剂 abrupt slope 陡坡abrupt textural change 质地突变 abscissa 横坐标absolute age 绝对年龄 absolute age determination 绝对年代测定absolute age of groundwater 地下水绝对年龄 absolute altitude 绝对高度absolute amplitude 绝对振幅 absolute chronology 绝对年代absolute convergence 绝对收敛 absolute dating 绝对年代测定absolute error 绝对误差 absolute extremes 绝对极值absolute geochronology 绝对地质年代学 absolute geopotential 绝对重力势absolute gravity 绝对重力 absolute humidity 绝对湿度absolute instability 绝对不稳定性 absolute maximum 绝对极大absolute measure 绝对尺度 absolute minimum 绝对极小absolute orientation 绝对定向 absolute parallax 绝对视差absolute precision 绝对精度 absolute representation 绝对值表示法absolute temperature 绝对温度 absolute value 绝对值absolute zero 绝对零度 absorbed radiant flux 吸收辐射absorbed radiation 吸收辐射 absorbent 吸收剂absorbing capacity 吸收能力 absorbing complex 吸收性复合体absorptance 吸收系数 absorption 吸收absorption band 吸收带 absorption coefficient 吸收系数absorption curve 吸收曲线 absorption factor 吸收因素absorption filter 吸收滤光片 absorption of energy 能量吸收absorption of light 光吸收 absorption spectrum 吸收光谱absorption surface 吸收面 absorptive capacity 吸收本领absorptivity 吸收能力 absorptivity emissivity ratio 吸收发射比abstract symbol 抽象符号 abundance of isotopes 同位素的丰度abundance of the elements 元素丰度 abundance ratio of isotopes 同位素的相对丰度abundant rainfall 过量降雨 abyss 深渊 abyssal 深海的abyssal basins 深海盆地 abyssal benthos 深海底栖生物abyssal deposits 深海沉积物 abyssal facies 深海相abyssal hill 深海丘陵 abyssal plain 深海平原abyssal region 深海区 abyssal sediment 深海沉积物abyssal zone 深海带 acariasis 螨病acarinosis 螨病 acaustobiolite 非可燃性生物岩accelerated erosion 加速侵蚀 accelerated weathering 加速风化acceleration 加速度 acceptance 接收acceptor 收体acceptor atom 受体原子acceptor bond 接体合accessory element 伴随元素accessory mineral 副次要accessory species 次要种accidental ejecta 外源喷出物accidental error 偶然误差accidental species 偶见种acclimatization 气候驯化acclivity 上行坡accompaniment element 伴生元素accordance of summit levels 峰顶面等高性accordant junction 协和汇流平齐汇流交合汇流accordant junction of streams 协合流accretion gley 淤积潜育层accumulated temperature 积温accumulation 堆积accumulation curve 累积曲线accumulation horizon 聚积层accumulation mountains 堆积山地accumulation of assimilation products 同化物累积accumulation of humus 腐殖质蓄积accumulation of organic matter 有机质堆积accumulative coast 堆积海岸accumulative relief 堆积地形accuracy 准确度accuracy of measurement 测定准确度acetic acid 醋酸acetic acid bacteria 醋酸菌acetic fermentation 醋酸发酵achromatic objective 消色差物镜achromatopsia 色盲acid alkaline barriers 酸碱障acid base balance 酸碱平衡acid base equilibrium 酸碱平衡acid brown forest soils 酸性棕色森林土acid earth 酸性白土acid fast bacteria 抗酸菌acid fastness 抗酸性acid fermentation 酸性发酵acid geochemical barrier 酸性地球化学障acid group 酸根acid humus 酸性腐殖质acid igneous rock 酸性火成岩acid medium 酸性介质acid peat soil 酸性泥炭土acid rain 酸雨acid residue 酸性残余物acid rock 酸性岩acid rocks 酸性岩acid soil 酸性土acid solution 酸性溶液acid spring 酸性泉acid tolerant species 耐酸品种acid value 酸值acidic lava 酸性熔岩acidification 酸化acidite 酸性岩acidity 酸度acidity of soil 土壤酸度acidoid 酸性胶体acidophile organisms 嗜酸有机体acidophilous plant 喜酸植物acidophyte 喜酸植物acidosis 酸中毒acidotrophic lake 酸性营养湖acidulation 酸化acotyledon 无子叶植物acquired character 获得特性acric ferralsols 强淋溶铁铝土acrisols 强淋溶土acrorthox 强酸性正常氧化土acrospore 顶生孢子acrox 高风化氧化土acstivation 夏眠actinium 锕actinolite schist 阳起片岩actinometer 日光辐射计actinometry 日射测定法actinomorphic 辐射对称的actinomycetes 放线菌actinomycosis 放线菌病action center of the atmosphere 大气活动中心action potential 动诅位activated adsorption 活化吸附activated complex 活化络合物activated sludge 活性污泥activated wate