模型拖點 的英文怎麼說
中文拼音 [móxíngtuōdiǎn]
模型拖點
英文
model towing point-
The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too
比較了不同測試設備用於螺旋槳脈動壓力測試的優缺點，探討了在減壓拖曳水池中實現實船自航點的方法，並進行了兩只螺旋槳模型的脈動壓力測試，經與空泡水洞中脈動壓力的測試結果進行比較，說明該項測試是成功的，同時也對脈動壓力的理論預報結果做了驗證。5 by using multi - window programming technology to combine vc + + with autocad, this thesis implemented comparison of plane, profile and across section, interactive design of profile, railway location by across section and setting location of bridge and tunnel. 6 this thesis expounded itself viewpoint on application model of profile optimization in scrlid, and has been used in system development. 7 by putting forward the summaries on the application model of professional design, this thesis established mathematics model of calculating terrain height of profile and across section, automatic setting location of the bridge and the tunnel
2 、用面向對象的數據封裝和繼承技術實現了項目管理和方案數據的安全保護； 3 、選擇應用vc + + dao數據庫應用技術，完成了方案比選共用數據庫的開發； 4 、用autocadobjectarx定製實體技術，實現了線路平面拖放式交互設計； 5 、用vc + +與autocad相結合的多窗口編程技術，實現了平面、縱斷面、橫斷面三種圖形的對比顯示，實現了縱斷面交互設計、橫斷面定線和橋隧工程設置； 6 、就縱斷面優化在線路方案比選工作中的應用模式提出了自己的觀點，並在系統開發中得到應用； 7 、總結專業設計應用模式，建立了內插縱橫斷面地面高程、自動設橋、自動設隧數學模型。This paper designs the characteristic curves and system curves for the dredging materials of the water and all kind of mixtures, which base on the theory of hydraulic dredging and the experiment data of prototype dredger, then puts out the equations of computing the work point of dredge pump system and the model that can simulate the work condition of dredging pump such as the flow rate, vacuum and pressures
該模型根據水力疏浚原理和1750挖泥船的技術數據，設計了泥泵和管路的清水特性曲線與泥漿特性曲線，在此基礎上給出了泥泵工作點的計算方法。最後給出了計算泥泵工況的模型和模擬實例； 3 、絞刀電動機拖動系統。With the fund item sponsored by the national laboratory of hydrodynamics, the study on measurement method of propeller - induced pressure with using self - propulsion model has been carried out in depressurized towing tank
在脈動壓力的模型測試研究方面，本文在水動力學國家重點實驗室基金項目的資助下，對在減壓拖曳水池中利用自航模進行空泡螺旋槳誘導的脈動壓力的測試方法進行了研究。With the technology of oop, through the modeling of all the suppositional devices of the heating net, the technology of opened database is used to link the devices and the outer database. inquiry, automation and design can be done
系統設計採用面向對象的方法，通過建立供熱管網的各個虛擬單元設備模型，利用開放式數據庫技術把這些設備與外部設備數據庫掛接起來，實現了點擊式查詢和自動化、拖放式設計。分享友人