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- coarse sand source regions 粗泥沙集中来源区
- coarse sand source region 粗泥沙集中来源区
- coarse sand concentrated source region 粗泥沙集中来源区
- She stood on the coarse sand and played with her son. 她和她的儿子在粗糙的沙子上玩。
- The coarse sand area located in the middle reaches of the Yellow river is the main source area which produces the most amount of the deposited sediment in the riverbed of the Yellow river. 摘要黄河中游多沙粗沙区是黄河中下游淤积泥沙的主要来源区,所以研究多沙粗沙区的土地利用与覆盖变化具有重要的现实意义。
- Under the wind and sand source control project in Beijing and Tianjin region,grassland construction in 13 counties of Shanxi Province achieved the expected objectives. 在京津风沙源治理工程的推动下,山西省所辖13个县(区)的草地建设项目取得了预期的成效。
- Under the wind and sand source control project in Beijing and Tianjin region, grassland construction in 13 counties of Shanxi Province achieved the expected objectives. 摘要在京津风沙源治理工程的推动下,山西省所辖13个县(区)的草地建设项目取得了预期的成效。
- Coarse sand cannot be used for this purpose, because it soon enlarges the hole through which it flows. 因为粗沙会很快使得其流过的洞变大,所以不能用于此目的。
- With the Bayer method production in Shanxi Branch,the digesting slurry was seperated coarse sand. 山西分公司对拜耳法生产中,高压溶出后矿浆进行了粗颗粒分离,把分离出的粗砂送烧结法配料。
- However, the benthic foraminifera are abundant, only less in some coarse sand samples. 底栖有孔虫则较为丰富,仅在较粗砂中底栖有孔虫丰度相对较低。
- The output region must not overlap with the source region. 输出区域和源区域必须没有任何重叠。
- A sand snake of southwestern United States,lives in fine to coarse sand or loamy soil in which it'swims',banding resembles that of coral snakes. 一种产于美国西南部的沙蛇,生活在细沙或粗沙或漂浮在肥沃的土壤上,带条纹形似银环蛇。
- The application of pig manure resulted in the increase of the enrichment coefficients of SOC and TN in coarse sand, while the decrease in clay fraction, especially in coarse clay. 粗砂粒中有机碳、总氮的富集系数升高,黏粒(尤其是细黏粒)中富集系数降低;
- Surface scattered muddy gray, coarse sand inclusion brown pottery, collecting pottery, ceramic pots debris, decoration has Jomon, additional heap pattern, Plain and so polished. 地表散见泥质灰陶、夹砂粗褐陶、采集陶罐、陶盆残片,纹饰有绳纹,附加堆纹,素面磨光等。
- silt- laden and coarse sand region 粗沙产沙区
- If circumstances permit, use of layered multi-sand filter comprising both coarse sand and fine sand as filter materials fitted with automatic backwash self-cleansing device is desirable. 如情况许可,宜使用包括粗沙和幼沙作为过滤物料的层沙过滤器,而过滤器应设有自动反冲的洁净装置。
- The paper optimizes the concrete fine aggregate scheme with median sand of gate foundation excavation and build coarse sand through 4 appraisal index using fuzzy optimization decisiontheory. 利用模糊优选决策理论,通过4项评判指标对石佛寺水库利用闸基开挖中砂与外购粗砂掺配混凝土细骨料方案进行了优选。
- Ecological Destruction in the Source Region of the Huanghe River and Countermeasures. 黄河源区生态破坏现状及保护对策。
- In the third part, the concrete problems about ecological environment in the source region of the two rivers in Altai Mountain are pointed out. 第三部分具体指出了阿尔泰山两河源区现存的各种生态环境问题。
- Desertification of various degrees have been happening in the source region of Yangtze River. 长江源区存在不同程度的沙化现象,沙地种类多样,分布广泛。