lower reach 中文意思是什麼
lower reach
解釋
下游段-
In the upper reach the bed was dune covered and in the lower reach it was flat.
上遊河段的床面為沙壟所覆蓋，而下遊河段則為平整床面。 -
Now we arrived the lower reach of the waterfall, too much water splashed on us
現在我們到了瀑布下游處，水花四濺。 -
Except some lower reach areas with high income, the income level of most villages and towns especially in the upper and middle reach of the river basin is lower than the average level of henan province
除了下游較為集中的高收入鄉鎮，整個流域大部分鄉鎮、尤其是中上游鄉鎮的農民人均純收入落後于河南省平均水平。 -
Ecological water demand for restoration of groundwater level in minqin oasis in lower reach of shiyang river
石羊河下遊民勤綠洲恢復地下水位生態需水量研究 -
The temperature of upper reach is higher than that of lower reach, therefore, the river freezes up from lower reach to upper reach and breaks up from upper reach to lower reach. secondly, inner mongolia reach lies in inland area. it is far from ocean and controlled by mongolia high - pressure
其次，內蒙段處于內陸地帶，離海洋距離遠，暖濕氣流難以到達，常為蒙古高壓控制，呈典型的大陸性氣候，年降水量少，夏季盛熱短暫，冬季嚴寒漫長，河流結冰期長達4 - 5個月，大部分為穩定封凍河段。 -
First the author memorized the yellow river excavation history and concluded development of modern dredging science, and found that most researches of dredging are related to navigation regulation, little used to flood control especially in the yellow river with silty. based on the experiment of generalized physical model of the lower reach of the yellow river, and the study of the loaden flow mechanism and the dredging efficiency, the author get some new ideas as follows : 1
通過對黃河疏浚的歷史以及現代疏浚工程學的發展進行了回顧和總結，認為已有的疏浚研究大多基於航道疏浚工程，對于防洪疏浚特別是在黃河這種多沙型河流上進行防洪疏浚的研究極為欠缺，本文基於黃河下遊河道概化模型試驗，對疏浚挖槽后水沙運動機理及效果等進行了研究，得到以下認識。 -
Improvement of flood and waterlogging disasters by sediment flushing and sedimentation reducting in lower reach of weihe and sanmenxia reservoir area
排沙減淤治理渭河下游三門峽庫區洪澇災害 -
The upper and middle reach counties, including luonan county, lushi county, luoning county, luanchuan county, songxian county and yiyang county, drop behind and have a relative big gap with the lower reach counties
流域中上游的洛南縣、盧氏縣、洛寧縣、欒川縣、嵩縣和宜陽縣，都處在比較落後的位置，並且同流域下游地區有較大的差距。 -
The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short
分析結果表明： 20世紀60年代下荊江裁彎后，三口（松滋口、太平口、藕池口）分流分沙減少，下荊江徑流量和輸沙量相應增加，洞庭湖泥沙淤積減少； 80年代中期以後，長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢，城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡；三峽工程初期蓄水運用后，長江中游含沙量沿程恢復距離較長，但床沙質部分恢復距離相對較短。 -
Ningmeng, longsan reaches and its lower reach are studied as well ; from which the suitable and the minimum eco - environmental water demands for 10 important hydrographic sections of the main stream of the yellow river are put forward at last
對寧蒙（下河沿頭道拐） 、龍三（龍門三門峽）和下游3個重要河段的河道生態需水量、環境需水量計算方法及生態需水量、環境需水量耦合等問題進行了研究，提出了黃河幹流10個重要水文斷面的適宜生態環境水量和最小生態環境水量。 -
Analyze the history, current condition and developing condition of jiang yin port and summarize as follows. firstly, jiangyin port is a deep water seaport of estuary type with a certain scale which is lying in the lower reach of the yangtse river in jiangsu province
在分析研究江陰港歷史、現狀、發展條件后發現：一、江陰港是江蘇省長江下游具有一定規模的河口型深水海港，江蘇省長江港口總體布局規劃將其定位於地方港口發展與其現有規模和發揮的作用不相適應。 -
The lower reach of the shing mun main channel was originally a part of tolo harbour, but reclamation transformed it into a river channel
城門河主河道下游原為吐露港的一部分，填海后才成為河道。 -
For the present situation of seriously over - exploited groundwater resources and the rapid declining level of groundwater in the minqin oasis in the lower reach of shiyang river, as well as the induced effects of ecology and environment, the concept and calculation method of ecological water demand for restoration level of groundwater were provided, then ecological water demand for restoration level of groundwater from 2000 to 2019 is forecasted
摘要針對石羊河下遊民勤綠洲地下水資源嚴重超采，地下水位持續快速下降的現狀，以及所引起的生態環境效應，提出了恢復地下水位生態需水量的概念和計算方法，並且預測出2000 - 2019各年恢復地下水位生態需水量。 -
Effect of water - sediment regulation of the yellow river on the lower reach
黃河調水調沙對下遊河道的影響分析 -
Process of land use land cover change in the area of middle and lower reach of jialingjiang river
嘉陵江中下游地區近30年土地利用與覆被變化過程研究 -
The discovery and its significance of late quaternary involution in the area of lower reach of qingshuihe river, ningxia, china
寧夏清水河下游晚更新世冰卷泥的發現及意義 -
Using the mature product mapx, visual basic, visual fortran and sql server, a flood risk management system based on gis was developed and used in the lower reach of the yellow river
下，並以visualfortran作為水流模擬的開發工具， sqlserver作為數據庫管理和支持工具，以黃河下游山東段堤防潰決的風險管理為研究對象，開發了一套基於gis的洪災風險管理系統。 -
Commence development and local society in the southwest region in the qing - focus on sanmentang village of the lower reach of qingshui river
以清水江下游三門塘寨的研究為中心 -
Application of the 3s technology on the landscape evolution in the wetland of lower reach of huolin river basin
技術的朝陽港?湖濕地景觀格局演變研究 -
Based on a comparative study of the social economic development and the water resources characteristics in 13 arid inland basins of north - western china, it is pointed out that oasis will move from lower reach to upper reach in the circumstances of lower water availability per capita and poorer social economic structures
摘要本文在對中國西北13個內陸河流域水資源稟賦和社會經濟發展狀況進行對比研究的基礎上，指出在人口不斷增長和社會經濟結構不適宜的情況下，人均水資源量的不斷減少，將導致流域內綠洲重心逐漸從下游向中游、上游遷移。
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