挖溝法 的英文怎麼說
中文拼音 [wāgōufǎ]
挖溝法
英文
trench method-
Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed
本研究在廣泛總結前人研究成果與研究經驗的基礎上，利用空間數據挖掘和地形地貌學的基本理論，以陜北黃土高原多地貌類型區為實驗樣區，以1 10000比例尺dem為樣本數據，探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構；確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構；系統總結了dem基本地形因子的提取演算法，並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析；提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法；擴充了arcviewgis軟體平臺中dem空間分析的基本功能；實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發；完成了對黃土高原多地貌類型區（樣區）地形信息空間分異特徵的分析。The tunneling method for the landslide section at the entrance of heishuigou tunnel ( for the internal circle construction road in the construction site of guandi hydropower station ) is presented herein ; in which the tunneling method and the effects of both the pilot and the system supportings on the entrance tunneling into the landslide body are described as well
摘要介紹了官地水電站場內環線道路黑水河溝隧道進口滑坡體的施工方法，包括開挖的施工方法以及超前與系統支護對在滑坡體上進洞所發揮的作用。This paper depicts the engineering outline of the pipeline crossing project as well as a series of new construction methods such as integral pipeline prefabrication, trenching layer by layer, integral lowering pipeline into trench and integral pressure testing, which speed up the construction progress and reduce the construction cost
文章介紹了穿越段的工程概況以及管道整體預制、管溝分層開挖、管道整體下溝和整體試壓等一系列新的施工方法，該方法加快了施工進度，節約了施工費用。We succeeded in crossing hanjing river of zhong - wu gas pipeline project, dawen river of jining branch line of west - east gas pipeline using the technique of trenching in water, controlling negative buoyancy and bottom towing without water interception
公司採用帶水大開挖成溝，控制負浮力，管道底拖法等施工工藝，在江河不斷流的前提下，成功完成了忠武輸氣管道襄樊支線漢江穿越、西氣東輸冀寧支線大汶河穿越等工程。分享友人