河道擺動 的英文怎麼說

中文拼音 [hédàobǎidòng]
河道擺動 英文
wandering of river
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 擺 : Ⅰ動詞1 （安放; 排列） put; arrange; set in order 2 （顯示; 炫耀） display; show off; put on; assu...
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  • 擺動 : 1 （搖擺） swing; sway; oscillate; pendulate; waggle; wobble; vibrate; wiggle 2 [機械工程] jiggin...
  1. Because the yili river belongs to plain broad and shallow moving river, the main channel changes greatly and swings to a large range, which leads to river crooked branching river type and s curved, many fork rivers, the river continent and the river beach in river center, alluvial shoal and beach. the width in some section of the river is up to about 3800m. in flood season it causes serious harm to farmland, factories, residents along two sides

    由於伊犁河屬于平原游蕩性寬淺河流，主槽變化不定，擺動幅度極大，河道多呈彎曲分叉河型和s型彎道、多叉河、河心洲，河心灘和沖擊淺灘及邊灘，部分河段河床寬度達3800m ，洪水季節對河道兩岸的田地，工廠，居民等造成極大的危害，素有「三十年河東，三十年河西」之稱。
  2. The result of calculation shows that in that flood season of 1999, the flow of baini channel in networks was reciprocating flow for common ; it was in the extreme case of the storm surge, and affected by extreme velocity and topography, the flow in baini channel course and was rocking crookedly, this demonstrating the instability flow phenomena

    計算結果顯示，在99年洪季時，河網內白坭水道流動為通常的往復流動；但在風暴潮極值狀態下，由於受極值流速及地形的影響，流動在白坭水道中彎曲扭擺，呈現出流動不穩定現象。
  3. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  4. Deposit characters have fine succession, however, because of the underwater distributary channel ' s movement and migration, the scale of the shallow deposits and delta front deposit were different

    沉積作用都有很好的繼承性，但淺湖沉積分佈范圍以及三角洲前緣砂體的規模和展布特徵隨著水下分流河道的遷移和擺動而有所不同。
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