杠端 的英文怎麼說

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。

Common screw nose

普通絲杠端

This device takes rubber ( plastic cement ) as substitute for metal bumper, inside it an inflated tyre is set, ineffective part joining front of supporting frame and bumper is removed, and replaced by metal connecting bar, bar front is fixed unto bumper, and bar ' s rear connected with spring, spring ' s rear is fixed to a steel bowl firmly hugging closely an inflated rubber ball ( two ), rear ball is closely hugged by another steel bowl at front of another spring, and another rubber ball placed at spring ' s rear

該裝置由橡膠（塑膠）代替金屬保險杠，內置充氣胎，去掉前端大樑與保險杠連接的無效部分，以金屬連杠代替，連杠前端固定於保險杠上，後端連接彈簧，彈簧的後端固定一鋼碗緊貼充氣皮球（兩個） ，后皮球與另一彈簧的前端鋼碗緊貼，另一彈簧的後端再放置一充氣皮球。

He rapidly devoured his food, and after waiting an hour, lest the jailer should change his mind and return, he removed his bed, took the handle of the saucepan, inserted the point between the hewn stone and rough stones of the wall, and employed it as a lever

他急忙吃了他的食物，又等了一個鐘頭，唯恐獄卒會改變主意又回來，然後，他搬開床，把平底鍋的把手一端插進墻上大石塊和碎石的縫里，把它當作一條杠桿。

For a precision torque tester, the test device will be calibrated against the torque generated by weights hanging at the end of a beam. calibration is made by applying torque of known values to the test device in sufficient number of steps ( normally about 7 ) distributed throughout its usable range, from lower test values to full scale capacity

由吊在杠桿尾端的砝碼而產生的扭力，將會用作校正精密扭力檢測儀。校正過程是對測試儀器加以已知的扭力。加以的扭力，在儀器的應用范圍內，逐級（通常為七級）由最低測試數值加至其最高扭量。

Pliers and nippers - lever assisted side cutting pliers, end and diagonal cutting nippers - dimensions ; identical with iso 5747 : 1984

夾扭鉗和剪切鉗.杠桿輔助的側邊剪切鉗端部和斜口剪

As this research indicates, decreasing the height of bumper and bonnet leading edge, increasing the distance between the upper and lower face of bumper and the distance between bumper lead and bonnet leading edge will decrease the injuries to the knee joints of pedestrian. the results of this research have good consistency with the results of foreign traffic accident data statistics

研究表明，降低汽車前保險杠及發動機罩前端的高度，增加保險杠上下面之間的寬度及保險杠與發動機罩前端的距離有利於減小對行人膝關節的損傷，該研究結果與國外交通事故統計結果相符。

The massive walking - beam rose and fell above the deck ; at one end a piston - rod worked up and down ; and at the other was a connecting - rod which, in changing the rectilinear motion to a circular one, was directly connected with the shaft of the paddles

甲板上露出一根很長的蒸汽機杠桿，兩頭一高一低地不停活動，這根杠桿的一端聯接著活塞柄，另一頭聯著輪機上的曲軸，這樣就把杠桿的直線推動力轉變為直接推動輪機的動力，從而使輪軸不停地旋轉起來。