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calcareous concretion中文是什么意思

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用"calcareous concretion"造句"calcareous concretion"怎么读"calcareous concretion" in a sentence

中文翻译手机手机版

  • 钙质结核
  • 石灰结核

例句与用法

  • The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters .
    椭圆形的钙质结核的长轴方向反映了地下矿化水的流动方向。
  • The elementary idea of the reference units method can be described as follows : firstly , by the setting of double series of reference units , we can control the highest and lowest land quality class of each village or town ; secondly , the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area , the difference in quality is the key factor to classify the land . the results show , 87 . 6 % of the lands from i to iii distribute on alluvial and lacustrine plains , where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones . and 61 . 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
    分等结果表明:卧龙区等的耕地中,有87 . 6分布在冲积、湖积平原区,主要土壤类型是在河流冲积物上发育形成的灰潮土、在湖相沉积物上发育形成的砂姜黑土;等耕地中,有61 . 4分布在垄岗区,主要土壤类型是洪坡积物上发育形成的黄褐土:而、等耕地集中分布在丘陵区,主要土壤类型是残坡积物上发育形成的粗骨性黄褐土,等别结果分布总体上体现了不同地貌类型、土壤条件下耕地质量的差异。
用"calcareous concretion"造句  

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