But scientists working on a way to harvest oxygen from the iron oxide in lunar soil for future moon bases realized that they happened on a better way to make steel here on Earth.
然而科学家们正致力于研究一种从月球土壤中的氧化铁里获得氧气的方法。因为未来月球基地意识到在地球上以这种方式炼钢更好。
In some places earthworms are helpful in making good soil. as they crawl through the earth getting their food, they make little tunnels that air and water come through.
在有些地方，蚯蚓有助于沃土的形成。蚯蚓在土壤中爬来爬去搜寻食物时，在土壤中钻出许多细小的孔道，便于空气和水分的流动。
Existent state variation of rare earth elements (REEs) in wheat rhizosphere and non-rhizosphere soils were studied using root - box technique.
采用根际袋法研究了稀土在春小麦根际土壤与非根际土壤中存在形态的差别。
In the third stage, an unmanned probe will be sent to the moon and collect samples of the moon soil, and then return them to earth.
在第三阶段中，一个无人操纵的探测器将会被送到月球和采集月球土壤试样，然后返回地球。
The content distribution and speciation of rare earth elements (REE) of soils in a typical geochemical landscape (REE mine area) in southern Jiangxi Province were studied.
选择赣南富稀土矿区典型环境地球化学景观，研究了稀土元素在土壤中的含量、分布及赋存形态特征。
In this paper, concentration, speciation, bioavailability, distribution, and mobility of rare earth elements (REEs) in the soil, as well as some relating facto rs were reviewed.
综述了土壤中稀土元素含量、稀土赋存形态、稀土生物有效性、稀土在土壤环境中的分布规律、迁移方式及其影响因子。
Due to the selection of new soil extractant (NMSNMSNRY), correlation coefficients between rare earth oxide content in leaves of some plants and soluble rare earth elements in soil were very high.
在测定土壤中可溶态稀土元素含量时，由于选用了新型提取剂(NMSNMSNRY)，使测得的土壤中可溶态稀士元素的含量与一些植物叶片中的稀土元素含量有很好的相关让。
The Earth has its own negative electricity, in the soil, and the atmosphere which surrounds the Earth is charged with positive electricity.
地球有它自己的负电，在土壤中，和气氛包围地球与正电的罪名。
The lateritic red earth and red earth are abundant in Fujian mountains that represent the characteristics of the subtropics mountain soils in China.
福建具有丰富的山地赤红壤和红壤资源 ，且在我国亚热带山地土壤中具有代表性。
The lateritic red earth and red earth are abundant in Fujian mountains that represent the characteristics of the subtropics mountain soils in China.
福建具有丰富的山地赤红壤和红壤资源 ，且在我国亚热带山地土壤中具有代表性。
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