上升水 ascending water?
硼镁石 ascharite?
无性世代 asexual generation?
无性生殖 asexual reproduction?
尘云 ash cloud?
凝灰火山锥 ash cone?
灰分含量 ash content?
火山灰下降 ash fall?
秦手 ash forest?
火山灰下降 ash shower?
无灰滤纸 ashless filter?
日本血吸虫病 asiatic schistosomiasis?
硼镁石 ascharite?
无性世代 asexual generation?
无性生殖 asexual reproduction?
尘云 ash cloud?
凝灰火山锥 ash cone?
灰分含量 ash content?
火山灰下降 ash fall?
秦手 ash forest?
火山灰下降 ash shower?
无灰滤纸 ashless filter?
日本血吸虫病 asiatic schistosomiasis?
纵横比 aspect ratio?
季相 aspect?
白杨林 aspen forest?
白杨 aspen?
地沥青 asphalt?
焦性沥青 asphaltic pyrobitumen?
沥青岩 asphaltite?
吸气式湿度计 aspiration psychrometer?
集合 assemblage?
集合 assemble?
集结地域 assembly area?
土地评价 assessment of yield capacity of soil?
可同化性 assimilability?
同化物 assimilate?
同化酌 assimilation?
嵌入曲流深切曲流 assistentrenched meander?
信风沙漠 assisttrade wind desert?
伴生种 associated species?
群丛复合体 association complex?
群丛表 association table?
群丛 association?
无定向磁力计 astatic magnetometer?
砹 astatine?
软力 astenosphere?
天文大地网平差 astro geodetic net adjustment?
天文大地网 astro geodetic network?
天体摄影仪 astrograph?
等高仪 astrolabe?
天体测量学 astrometry?
宇宙航行学 astronautics?