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| 31. | The second and third branches, the river courses at the provincial border and the rivers in Shandong are dominated by water of Grade V and worse than Grade V. There are 31.3%, 28.0% and 36.4% of the sections attaining the standards for Grade II ~ IV. |
| 二、三级支流、省界河段和山东境内河流以Ⅴ类和劣Ⅴ类水质为主，分别有31.3%、28.0%和36.4%的断面满足Ⅱ～Ⅳ类水质要求。 |
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| 32. | And suggested the new strategies: desilting at high concantration in vertical and horizontal pipes at the dam area; the silt liquefaction starting of buried seeper penstock at the river reach of Chongqing. |
| 提出了2种新的技术对策:坝区垂直与水平管道高浓度排沙;重庆河段埋管压力渗透液化起动泥沙。 |
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| 33. | The seven key river systems were polluted to various extents, with the water quality in over 50% of the monitoring sections being at V Grade and worse than V Grade. The river courses through the cities and close to cities were seriously polluted. |
| 七大江河水系均受到不同程度的污染，一半以上的监测断面属于Ⅴ类和劣Ⅴ类水质，城市及其附近河段污染严重； |
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| 34. | In our research, we also found out fairly good places upstream the dam which can be used for blocking and dredging up drifters, where the direct dredging up floating materials in reservoir area can achieve good effects. |
| 研究发现：在坝前及坝区河段可以选择到较为理想的地段和区域建立滞漂、漂区，导漂、漂效果较好。 |
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| 35. | The case study shows that the fuzzy-grey method is informative and obtains reliable results. |
| 对湖南湘江株洲至长沙区域河段水质进行综合评价，实例研究表明，该模式具有评价信息量多、价结论可靠等优点。 |
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| 36. | In the case of a water quality parameter, such as temperature, the area affects into perspective. In the area and the reaches downstream, where the temperature of the water is estimated to change at least 1.0 . |
| 当研究水质参数如水温时，影响的范围应包括水库库区和下游河道，直到预测水温的改变为1C的河段为止。 |
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| 37. | The beaver's carrying capacity is about one colony per kilometer along the river. |
| 新疆河狸种群通过其领域性及繁殖力的抑制与否来调节种群密度,其最大环境容纳量约为每公里河段1个家族。 |
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| 38. | The Don (1160 miles in length), emptying into the Sea of Azov, and the Dnieper (1600 miles), emptying into the Black Sea, flow south, the former is closed by ice for 125 days near its mouth and the latter is only navigable for 1273 miles. |
| 第聂伯河全长2200英里，蜿蜒向南流向黑海，可通航河段仅有1273英里。 |
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| 39. | By comprehensive analysis and comparison between the two-stage and one-stage developments in the Heishanxia reach of Yellow River, it is concluded that the two-stage development is more economic and reasonable than one-stage development. |
| 通过对黄河黑山峡河段二级开发和一级开发方案的综合分析比较,得出的基本结论是二级开发比一级开发经济合理。 |
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| 40. | The construction technique in question is applicable to the river reach where water current directions and water levels are varying and to the construction of bored piles and elevated pile caps for deep water foundations of major bridges over river and sea in the offshore area. |
| 本项新技术可运用于水流方向多变、水位变化大的河段及近海跨江跨海特大型桥梁深水基础钻孔桩及高桩承台施工。 |
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