欠挖 的英文怎麼說
中文拼音 [qiànwā]
欠挖
英文
underbreak-
Another collecting a debt, another trying to dig a tunnel
想著有人欠著我的債，想著有人試圖挖隧道逃跑。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。Abstract : the application of smoothwall blasting in crushed surrounding rock of no. 2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters, adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively, etc
文摘:在周家山2號隧道破碎圍巖施工中，應用光面爆破技術，通過選擇合理的爆破參數，正確的支護施工方法，有效地控制隧道的超欠挖，加快掘進速度，取得了較理想的效果。The application of smoothwall blasting in crushed surrounding rock of no. 2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters, adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively, etc
在周家山2號隧道破碎圍巖施工中，應用光面爆破技術，通過選擇合理的爆破參數，正確的支護施工方法，有效地控制隧道的超欠挖，加快掘進速度，取得了較理想的效果。New technique of control digging shaft
控制井筒過量超挖欠挖的新工藝On the basis of the practice on work of extra - insufficient control and the subsidence of vault and the earth ' s surface, cases of engineering surveying techniques applied in the construction supervision in tunnels are discussed
摘要通過超欠挖控制、拱頂下沉、地表下沉的工程實踐，討論在隧道施工監控量測中工程測量技術的應用情況。Abstract : in order to provide the reasonable parameters in the reliability analysis of tunnel structure and the criterion in the quality control of tunnel engineering, in this paper, the over - under - excavated values of the real - state outline of tunnel excavation are obtained by the near - field photographic method. by using mathematical statistic method, the figure features and probability distributions of the over - under - excavated values of the surrounding rock, including deferent positions of same cross section, are analyzed
文摘:採用近景攝影的方法，從隧道開挖毛洞中獲取圍巖超欠挖數據，通過數理統計的方法，分析各類圍巖超欠挖的數字特徵及概率分佈，同時得出各類圍巖超欠挖在隧道斷面不同部位的分佈規律，為隧道結構的可靠度研究提供可靠參數，也為隧道工程質量控制提供基準The neural network has been studied for about many years and won successes in many fields, including pattern recognition, data mining and so on. unfortunately, many problems, such as local minimum, overtraining, generalization and so on, are encountered in the theories, design and applications
神經網路在模式識別、函數逼近、數據挖掘等許多領域已經取得了很多成功，但目前神經網路的理論和應用都還存在一些困難，如局部極小點、過學習、欠學習以及推廣能力等問題。This thesis gives the example of donghai county, jiangsu, analyses the present situation of teacher movement according to crosswise movement and up and down movement, analyses deeply its reasons from economy, management and psychology etc, try putting forward how to realize its rational movement, which includes : improving the teachers " treatment, inclining to the teachers of this area, establishing teacher market, perfecting teacher employment, carrying out kinds of flexible engagement mechanism, putting teacher movement on terms into practice
本文以江蘇東海地區為個案，按照水平流動和垂直流動的分類對其鄉鎮中學教師的流動進行分析，從經濟、管理、心理等幾個方面深入地挖掘其原因，並借鑒國內外教育和一些企業的先進經驗，嘗試著提出如何實現經濟欠發達地區鄉鎮中學教師合理流動的對策。其中包括：切實提高教師待遇、政策向農村教師傾斜、構建教師人才市場、完善教師聘任制度、建立靈活多樣的用人機制、實行教師定期流動等。Hebei has unique superiority to develop the sports tourism : the regional superiority : ringing bohai sea from the outer, surrounding bejing and tianjin in the inner ; the traffic superiority : the suitable three - dimensional traffic network ( 3 ) the resources superiority : has many sports tourist resources including the mountain and forest and grass, the ice and snow, seashore and sand beach, the gym leisure area spent the holiday, the gym training bases, the create wall and the traditional gym item of the long history, etc. now, the time is no long from hebei developes the sports tourist resources
目前，河北省旅遊發展中存在景點開發分散、沒形成規模、產品欠包裝和深度挖掘不夠等問題，需尋找新的增長點。開發體育旅遊便是河北旅遊業發展的新思路。河北省開發體育旅遊有獨特的優勢：區位優勢：渤海之濱的京畿大省；交通優勢：便利發達的交通大省；資源優勢：體育旅遊資源大省。This thesis mainly researches on pattern of telecommunication management analysis and decision support in our fix - line telecommunication operation. first the construction of data warehouse is discussed, analyses the data of the base information, billing information and calling detail record of the customer, and then discuss the methods of data mining including defining the operation scope, sampling, data analysis, modeling and implementation we put focal point on the choice and design that the model of data mining, on the basis of the already studies of abroad and the actual needs of fix - line telecommunication company. three data mining models of our fix - line telecommunication operation are putted forward : customer value model, customer retention model, and customer segment model
本文對于固網通信業經營決策支持模式的探討和研究，是從企業級數據倉庫的構建出發，圍繞如何提高企業客戶細化和預測能力的問題，針對通信企業積累的大量客戶基本信息、客戶通話信息、客戶帳單信息、客戶繳欠費等數據，在數據挖掘方法論的指導下，通過業務問題范圍、選取和抽樣、探索型數據分析、建模和實施等步驟進行分析，闡述通信企業以數據倉庫為核心的數據挖掘模型選擇與設計的一般方法，提出我國固網通信運營業的三個數據挖掘應用模型:客戶分群，客戶流失和客戶價值分析。Secondly, the generation of electricity and the sale of electricity increase slowly, the proportion and the cost of purchasing electricity go up. thirdly, the electricity expense due becomes more and more so that the operation of the electric grid becomes more and more difficult, and the knowledge on characteristic of demand is not enough to exploit the potential of power consuming market. finally, the concept of marketing is not based on the market, and the low level of service results in the simpleness of the marketing strategy, and the marketing system cannot meet the demand of the market changing
市場化改革給供電企業提出許多新問題，尤其是市場營銷面臨嚴峻的挑戰：電力銷售由供不應求轉變為需求不足；發電量和售電量呈低速增長，購電比重上升，購電成本增加；欠電費數額增長，電網運營困難；用電市場潛力深挖不夠，需求特點了解不足；營銷思想沒有真正以市場為導向、服務水平不高、營銷策略較單一、市場營銷體系不能適應市場變化的需要等。What ' s more, if the " so - called " advanced and modern curriculum is blindly transplanted ingnoreing self - fact, the realistic conditions are insufficient and the effectiveness is bad, so developing and making use of the rich resources and tapping their potential superiority are the only road curriculum reform must follow in countryside school at present
在廣大鄉村，教育條件落後與潛在資源豐富，課程資源多樣與開發利用薄弱的矛盾尤為突出，並且，不顧自身實際盲目地引進或移植所謂先進、現代的課程，不但現實條件欠缺，其實效性也相當有限。因此，開發利用豐富課程資源，挖掘自身潛藏優勢，是當前鄉村學校課程改革的必行之道。分享友人