水下割條 的英文怎麼說
中文拼音 [shuǐxiàgētiáo]
水下割條
英文
electrode for underwater cutting-
Its waters, in creeping down these miles of meadow - land, frequently divided, serpentining in purposeless curves, looping themselves around little islands that had no name, returning and re - embodying themselves as a broad main stream further on
河水在這片草地上向下流去，延伸了好幾英里，它以毫無規則地曲線蜿蜒前進，不斷地分割著草地，環抱著許多無名的小島，然後又流回來，匯聚成一條寬闊的河流。The impacts of soil and water conservation on river flow and soil - hydrology of jia - lu - he, tu - wei - he, pian - guan - he and qiu - shui - he catchments have been analyzed by the simulation and on - spot measuring methods according to data of during 1950 ' s to 1990 ' s. the selected catchments of the above four all are in the key area of soil and water conservation on the loess pleatu. the main results are as follows. the trend, reasons and critical year of annual river flow " change have been researched by rank correlation and maximum deviation division
本文以黃土高原水土保持重點區的佳蘆河、禿尾河、偏關河和湫水河等四條流域為代表，採用定量與定性、模型模擬與實測對比相結合的方法，系統分析了上世紀50 90年代時段內水土保持對河川徑流及土壤水文的影響，取得主要結果如下：採用秩相關和極差分割等定量評價方法，分析了四條支流徑流量變化趨勢、變化原因及發生明顯變化的臨界年份。
分享友人