He concedes that the wastefulness (and water conservation) he Chronicles has little or no effect on people in other watersheds because water is so difficult to ship.
他承认他所记述的挥霍用水(及节约用水)对于其他那些连行船都很困难的流域的人们来说几乎没有影响。
The results showed that the film covering had obvious effect on soil water conservation at the middle stage of corn growth, but neither at the earlier, nor later stage was obvious.
结果表明，地膜覆盖在玉米生育中期保水效果明显，而在生育前期和后期保水效果不明显；
Soil and water conservation benefits method and hydrological method are adopted in the previous studies on effect of soil and water conservation on hydrological and water resources.
以往水土保持水文水资源效应研究所采取的方法均为水文法和水保法。
The concept of "measure allocation ratio" and "Basin harnessing effect related to typical allocation scheme of water-soil conservation harnessing measures" has been pointed out.
提出了“措施配置比”和“流域治理效应与水土保持治理措施类型配置方案有关”的概念。
Meanwhile, it was emphasized that the hydrological effect of construction of water conservation forest and its important significance in northwest china.
强调了西北地区水源涵养林建设的水文效应及其重要意义。
However, the species choosing, mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation.
但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。
The effect of water and sediment reduction by soil and water conservation treatments in Jing River basin since 1970s has been analyzed and studied in the paper by using "soil conservation method".
不同水利、水保措施减沙水代价研究 ，对于评价水利、水保措施减水、减沙效应和解决流域水沙问题 ，有着重要意义。
Contour hedgerows reduced the erosion on slope surface with ephemeral gullies effectively, and the effect of soil conservation was more obvious than the effect of water conservation.
等高绿篱措施能够明显减少浅沟坡面的土壤侵蚀，且保土效果比保水效果更加明显。
Based on consulting the document of standardization, analysing economic effect of soil and water conservation measure in accordance with the dynamic state and static state.
在参考规范性文件的基础上，对水土保持措施进行经济效益静、动态分析。
The speedchange device of the water pump has remarkable energy-conservation effect and has got wider and wider application.
水泵变速调节因具有显著的节能效果，得到了越来越广泛的应用。
During this rainstorm, the great effect of soil conservation and water retain reduced direct economic benefit loss of 571 million yuan and flood disaster loss of 1 billion yuan.
在这次降雨中，水土保持措施巨大的蓄水保土作用可减少直接经济损失5.71亿元，减少的洪水灾害损失可达数十亿元。
The utility model has the characteristics of simple laying, grass survival rate improvement, large earth storage amount, good drainage effect and high conservation of water resources.
本实用新型铺设简单，它具有提高植草成活率、储土量大、排水效果好、涵养率高的特点。
Agricultural water productivity is an important indicator to assess the effect of irrigation water management and water conservation.
水分生产率是评价农业灌溉用水管理水平和节水效果的一个重要指标。
In order to verify the effect of the model, an experiment research has been conducted on the situation of urban water conservation of Shijiazhuang, Hebei Province in 2003.
为了验证模型的效果，结合河北省石家庄市2003年城市节水状况进行了实证研究。
Soil and water conservation function of forest vegetation hasbeen explained through analytical effects of vegetation different layers on rainfall effect.
分析了森林植被不同层次对降水影响所引起的径流量、径流能量和径流的挟沙能力及其减小的效应。
Soil and water conservation function of forest vegetation hasbeen explained through analytical effects of vegetation different layers on rainfall effect.
分析了森林植被不同层次对降水影响所引起的径流量、径流能量和径流的挟沙能力及其减小的效应。
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