水難測量 的英文怎麼說

中文拼音 [shuǐnáncèliáng]
水難測量 英文
leveling
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 難 : 難Ⅰ形容詞1 （做起來費事的） difficult; hard; troublesome 2 （不容易; 不大可能） hardly possible 3...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. From 1956 to now, the exploration of this area has gone through three stages, over 40 years. the drilling with brine mud and the bad quality have caused the difficulty of gas and water identification, which lead to miss of gas reservoir in logging interpretation

    自1956年工區勘探至今，經歷了三個階段40餘年，但由於氣田多採用鹽水泥漿鉆井，加之測井資料質量較差，造成氣、水層識別困難，大量氣層在測井解釋中遺漏。
  2. This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method

    本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。
  3. Moreover, there are drawbacks like difficulties in stimulation, complexity of calculation and heavy work in all these models because of many other factors. for example, the complexity of the dam structure, difficulties in measuring the physical and mechanical parameters of building materials and subgrade soil, stimulating the geologic structure of subgrade, predicting effects of loads, construction and environment on the dam and so on

    此外，由於大壩結構復雜，建築材料和地基巖土的物理力學指標難以測定，復雜地基的地質構造還很難模擬，荷載、施工及環境因素對水工建築物的影響還很難準確預測，應用各種模型都存在著模擬困難、計算復雜、工作量大等不足。
  4. On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout

    本論文根據目前國內外現狀和發展水平，針對自動聚焦和端面跳動測量的關鍵點和難點，在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統，該系統具有速度快、精度高、動態范圍大、體積小等優點，實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。
  5. These workers found that there was uncertainty regarding appropriate action to combat biofilm formation and lime scale. many hospitals also found the examination of rinse water for endotoxin as recommended in htm 2030 to be impractical, due to the cost, impracticability of tests and difficulties in quantitative methods

    這些工作者發現，在如何對抗生物膜和氧化鈣上，各機構採取的措施不一定靠得住。許多醫院也發現，出於成本原因、測試的不可操作性和量化方法的困難性， htm 2030所推薦的漂洗用水內毒素檢驗無法操作。
  6. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0
  7. It would be difficult to measure the horizontal distance between two mountain tops using only a meter stick.

    僅僅用一根米尺是難以測量兩個山頂之間的水平距離的。
  8. The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts

    通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的，目前在總流量的測量中主要使用的是渦輪流量計，由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律，影響測量精度，此外，普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難，為此，一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。
  9. The thesis developed on an existing problem for forecasting the effluent quality parameters of urban sewage treatment factories, which are usually difficult to measure with conventional online apparatus, through applying soft - sensing technique

    本論文是圍繞如何採用軟測量技術解決目前城市污水處理出水水質參數難以用硬儀表在線測量這一現實問題而展開的。
  10. Measuring unsaturated hydraulic characteristic parameters, such as capillary soil water, saturated soil moisture, field moisture, saturated conductivity etc., is not only expensive but also accuracy uncontrolled

    測量非飽和帶水力特性參數：毛管上升水、飽和含水率、田間持水率、給水度、飽和滲透系數等，即費時、費力又難以保證試驗精度。
  11. This paper presents a method employing neural network to identify water content and evaporating coefficient, difficult for in process measurement, controlling water added in sinter mixture

    提出了一種利用神經網路對2個難測量的參數進行在線辨識的方法，從而控制燒結混合料的加水量。
  12. Measurements of the static and dynamic properties of the aqueous fluid in the mouse eye were quite challenging. the purpose of this study was to test the hypothesis that aquaporins play a role in aqueous fluid dynamics and thus intraocular pressure regulation

    而要開展水通道蛋白在房水生成和排出中的作用的研究，還將面對一個更為艱難的工作? ?那就是測量分析小鼠眼房水靜態和動態生理學特性，該項研究工作極具挑戰性，以往很少有人涉足。
  13. With the oil - field development high contains water the later period, the oil - field development difficulty increases, as well as to controls the enhancement which, the survey precision, timeliness, the communication function and so on various aspects requests, each station, storehouse technological process more complex, uses the manual monitoring and the conventional measuring appliance monitoring has been very difficult to satisfy the production request

    隨著油田開發進入高含水後期，油田開發難度增大，各站、庫的工藝過程更加復雜，以及對控制、測量精確度、實時性、通訊功能等各方面要求的提高，採用人工監控和常規儀表監控已很難滿足生產要求。
  14. Remote sensing techniques have demonstrated their potential for measurements of soil temperature, vegetation canopy and so on. however, what is very difficult that uses reasonably both remote sensing data and ground data in calculating the energy, mass. radiation and momentum exchanges at land - atmosphere interactions, let alone apply in practical works

    但是，如何將遙感觀測資料和常規資料結合起來研究輻射傳輸、湍流交換以及地表水的通量等局地尺度特徵量是一難題，很多學者都已做了大量的工作，取得了相當鼓舞人心的結果，真正能實際應用的成果卻很少。
  15. In this respect, it tends to be an alternative of towing tank tests. the solution of 3d viscous flows around a ship in steady straightforward courses is capable of capturing more nearfield flow features than model tests and predicting viscous resistance with high accuracy, whilst for viscous flows around a ship in maneuvering motions such predictions are only in general good

    三維船舶粘性流計算方法，具有準確捕捉船體周圍粘性流動細節包括船模試驗難以測量的流動形態的能力，已成功地應用於船舶快速性方面的阻力預報；在船舶操縱性方面，這類方法雖處于初始發展階段，但也已獲得重大進展，具有精確預報船舶操縱水動力的潛力。
  16. The approach of physical model will take longer time and charge more money although it will give us some direct impression. because of the restriction by mode scale, velocity measuring is quite difficult. especially the flow feature is difficult to describe accurately

    盡管物理模型實驗給人較為直觀的印象，但投資較大、周期較長，由於受模型比尺的限制，流速測量十分困難，尤其是水下流態難以得到準確描述。
  17. 3d computer measure and track is a new measuring technology of noncontact, but it is very difficult and it needs high level technology and high cost

    計算機三維視覺測量和跟蹤是一項難度大、水平高且耗資費的非接觸的測量新技術。
  18. Some new applications in the monitoring and control system are presented in this paper. the main contents are followed : 1. a new method for measuring the position of the rotor and the real - time rotor angle of the synchronous generator using gps and tachometer is presented in this paper, which can be easily realized in engineering practice with high accuracy

    在總結了現有發電機功角測量方法的基礎上，提出了利用發電機自有的轉速信號實時測量功角的新方法，該方法克服了傳統方法精度不高，工程實施難等缺點，並能通用於汽輪發電機和水輪發電機，具有較高的理論和實用價值。
  19. One is the hybrid programming technique for visual c + + and matlab with matlab engine, which is an inexpensive and time saving way and can be introduced into other systems. the other is the presentment of the soft - sensing model of sample interpolation and multi - step memory, which can also be introduced into other situations similar to sewage treatment

    另外，本文提出的「樣本數據插值和多步記憶」的軟測量模型結構對于類似於污水處理的工業過程，即目標參數難以用硬儀表在線測量且可得數據樣本間隔時間長、前後相關性強的工業過程之軟測量模型構建，也頗具參考價值。
  20. So by this method, we can test the water content of the raw cement slurry through testing the velocity of the detector, it is certainly that it can test other slurry, such as paper slurry, mud slurry, mine slurry ctc. the fluid mechanics charactoristic of the slurry is complex, therefore it is difficult to establish the two - dimension or three - dimension mathematical modle to decide the relationship between the water content and the revolving speed of the detector. so the research for rotational detector in this topic is through the method of proper regressive analysis of experimental datas to establish the relation among the water content, the palse and the voltage

    料漿的流體力學性能是復雜的，要想通過建立二維或三維的仿錐形旋轉式檢測頭在料漿中旋轉的流體力學數學模型，來確定料漿水分含量與檢測頭的轉速關系是十分困難的，甚至是不可能的，因此本課題對于旋轉式檢測頭的研究，是通過對實驗數據進行多元線性回歸的處理方法，建立起水分含量與紅外線對管輸出的脈沖數p及電源電壓之間的關系。
分享友人
分享到 Line

分享到臉書