名词 [方言] (垸子) protective embankments in lakeside areas 短语和例子 堤垸 dyke
Related Translations:
平垸行洪: level protective embankments to facilitate flood water discharge
Example Sentences:
1.
Agricultural environment and its sustainable development at embankment region of dongting lake 洞庭湖区农业环境与湖垸农业可持续发展模式
2.
Schistosomiasis situation in a village of islet with embankment type in nanxian county , hunan province 湖南省南县1个洲垸型血吸虫病流行村疫情调查
3.
Based on the theory of island biogeography , it is seemed that liuheyuan which is connected with the reserve has the geography superiority in enlarging david ' s deer habitat 相较其它湿地,依据岛屿生物地理学“平衡理论” ,与麋鹿保护区相连通的六合垸似乎在扩大麋鹿栖息地方面具有地理优势。
4.
However it is concluded that the location is not suitable for the habitat enlargement through analysis of landscape architecture including shape , connection , corridor construction as well as sociology 文章侧重从景观学(形状、连接度、廊道构建)及社会(移民)两个角度对其优势度状况作尝试性分析,进而得出六合垸并不具有明显优势的初步结论。
5.
Among the six producing units of the farm , the quality of qianhu is the best , mainly composed by the second and first grade , the areas of them are 46 % and 37 % of the producing unit area respectively ; the main grade of tianxin , guanmiao and liutang is in third grade , the areas of them are 65 % , 75 % and 60 % of each producing unit area accordingly ; moreover , the land quality of guanmiao is better than that of liutang . the land quality of huangzhuangyuan and zhangjiayao is the worst in the farm . the area of the fourth grade in huangzhuangyuan is 61 % of this producing unit area , and the area of the fourth grade in zhangjiayao is 77 % of this producing unit area 其中,张家窑分场土地质量级别由三级和四级组成,以四级地占主要,面积为3 . 08 10 ~ 6m ~ 2 ,占该分场总评价面积的77 ;天新分场土地质量级别四个均有,但以三级地为主,面积为4 . 74 10 ~ 6m ~ 2 ,占该分场总评价面积的65 ;关庙分场土地质量由三级和二级组成,以三级地为主,面积为3 . 96 10 ~ 6m ~ 2 ,占该分场总评价面积的75 ;前湖分场土地质量主要是二级和一级,占地面积分别为3 . 73 10 ~ 6m ~ 2 、 2 . 95 10 ~ 6m ~ 2 ,分别占该分场总评价面积的46和37 ;皇装垸分场以四级地为主,面积为1 . 42 10 ~ 6m ~ 2 ,占该分场总评价面积的61 ;流塘分场土地质量以三级为主,面积为2 . 58 10 ~ 6m ~ 2 ,占该分场总评价面积的60 ,二级和四级地次之。
6.
Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river . due to neglection of environmental management , soil erosion in the upper and middle reaches of the changjiag river , lake sedimentation , large - scale reclamation of marshes , the flood regulation capacity of the lake was descended , and flood stage was risen and prolonged . consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters , which made flood level go up and flood period last for more days . the frequency of flood and waterlogging disasters rose and their damage was enlarged . several proposals for flood prevention including agricultural modernization are put forward 文摘: 1998年长江大洪水后开始实施的“平垸行洪,退田还湖”的土地利用调整方案,从长远来说应寻求农业安全且收入逐渐提高条件下的土地利用,长江中游地区应积极推进农业现代化,提高农业劳动生产率,转移,减少分蓄洪区的人口,移民建镇,对区内的土地要促进其规模经营,由优秀的有文化的农民经营,平时只有少量的直接从事农业生产的经营管理人员,农忙时则大量地使用季节性合同工或实现机械化,大洪水时退田还湖,减轻长江干流大洪水的压力,减少分洪与特大洪灾时的损失,这样还可促进避洪、冬季农业等的发展,也有利于长江中上游地区陡坡耕地的退耕还林,还可在粮食充足时进行休耕,在旱灾、粮食紧张时扩大粮食生产?
7.
On the basis of the analysis on the yangtze vole ' s disaster history and condition in dongting lake area , the influence of the lake beach ' s environmental evolution on the vole disaster is studicd in this paper . the rise of low - middle - level beach area causes the vole ' s population explosion , the reduction of high - level beach area forces the voles into the farmland during the flood season , and the emergence period ' s continual increase extends the vole ' s habitat areas and forces them to migrate into the farmland . the discarded dike provides a rest place halfway for the voles , which escape the flood , and the natural enemies of the voles , which are a natural barrier against the vole ' s population expansion , decreases . according to this study , the conclusions are put for ward as follows : after three - gorge project ' s construction it will produce great influences on the beach evolution in dongting lake area , leading to the changes of the vole ' s ecological environment situation and resulting in the vole ' s population changes which deserves attention 在分析洞庭湖区东方田鼠暴发成灾史及灾情的基础上,研究了洞庭湖区洲滩演变对东方田鼠暴发成灾的影响.研究认为,中低位洲滩出露面积不断增大使东方田鼠种群迅速膨胀,高位洲滩出露面积减小造成汛期东方田鼠大量向垸内农田迁移;湖区洲滩冬春季连续出露天数增加延长了东方田鼠的繁殖期;汛期洪峰水位增高,洲滩大面积淹没迫使东方田鼠大量迁向垸内;湖内废弃湖堤为东方田鼠逃避洪水提供了中途休养之地;洲滩地抑制东方田鼠种群膨胀的天敌数量已大大减少.据此,本文指出,三峡工程建成后将对洞庭湖区洲滩演变产生重大影响,因而将改变东方田鼠种群生态环境条件,引起种群动态变化,值得注意