推進線 的英文怎麼說
中文拼音 [tuījìnxiàn]
推進線
英文
axis of thrust-
They accepted that changes to ownership rules, and to “ cabotage ” rights that prohibit european airlines from operating on american domestic routes, were not on the table ? but decided to press ahead regardless
他們同意，所有權法案，以及禁止歐洲航空公司在美國運營境內航線的航空運輸業限制，對這些的修改都不在討論之列，但是，他們決定無論任何都要推進對這些修改的談判。We worked hard to prevent and control water pollution in key river valleys and regions, such as the three gorges reservoir area, the songhua river, the sources and routes of the south - to - north water diversion project, and the bohai sea. we carried out key environmental protection projects to desulphurize emissions from coal - fired power plants, treat urban sewage and dispose of waste safely
積極推進重點行業重點企業和重點工程的節能工作，開展循環經濟試點，加強三峽庫區松花江南水北調水源及沿線渤海等重點流域和區域水污染防治工作，實施燃煤電廠脫硫城市污水處理垃圾無害化處理等環保重點工程。Prograding bar－finger sand bodies are over－ridden by distributary channels as the shoreline retreats.
當海岸線後退時，向海推進的指狀沙壩被分流河道所覆蓋。In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。At first, according to the status quo of zhenjiang, this paper analyzes its predominance and bottleneck during the course of its development along yangtze. based on the study, by the combining of scalar computing and qualitative analysis, it selects the leading industries and the potential ones. meanwhile in a basis of the mechanism of the successive rising of the industry, it suggests to cultivate the impellent enterprises to create the localizing effect of the predominant industry, and supports the scientific foundation of the industry rational transition and continuous increasing
筆者首先根據鎮江市的發展現狀，分析在以沿江開發為主線的發展過程中，產業發展的稟賦優勢和制約瓶頸，在此基礎上，通過定量和定性分析相結合的方法，遴選出鎮江市主導和未來發展的潛導產業，並根據產業連續增長的機理，培養推進型企業，依靠企業集群創造優勢產業的本地化效應，為產業之間的順利過渡和連續增長提出科學的依據。Advancing the cities industrial development along main stem of traffic in upper reaches of yangtze river
沿長江上游交通干線推進西部城市產業發展This article imtroduces adesign for a new style nonelastic element flexible c ouple r with good combinedcompensntion functions of axial, radial and anguladirection s. it s a mew idea designwith a simple and reasonable construction, lowpri ce and convenient maintenance. also it hasa super axial compensating ability compared with common couplers. the theory is that therotary force can be changed into lev eladvanced force. it has been proved that this couplerhas a good combined techn ique proprety and a higher rate between quality and price. itmust have cheerful prospects of application
設計了一種具有良好的軸向、徑向及角向綜合補償功能的新型無彈性元件撓性聯軸器.這種聯軸器構思新穎，結構簡單，容易加工製造，便於裝拆維修，具有一般聯軸器所不能實現的軸向超大補償能力.設計原理可引伸拓寬到將轉動動力轉變為直線推進動力的設計上.實踐證明，該聯軸器具有良好的綜合技術性能和較高的性能價格比，極具應用前景In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed
以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。If prolusion is improved and streamline is not, then a swimmer will go faster
如果推進力改善而流線型沒有改善，那游泳運動員會游的更快。An air straightener should be placed down stream from propeller to counteract circular air motion in the tube.
一種氣體直線流動器應該使氣流從推進器的反作用中使氣體的活動在管內循環。Thus, the best streamlined position without any propulsive force is undesirable
因此，即便是最好的流線型位置但如果沒有任何的推進力就是不可取的。Aerospace series - pipe coupling 8 o30 ' in titanium alloy - thrust wire nut
航空航天系列. 8 30 '鈦合金管接頭.推進線螺母Aerospace series - pipe coupling 8 o30 ' in titanium alloy - tees branch with thrust wire nut
航空航天系列. 8 30 '鈦合金管接頭.帶推進線螺母的三通Aerospace series - pipe coupling 8 o30 ' in titanium alloy - elbows 90 o with thrust wire nut
航空航天系列. 8 30 '鈦合金管接頭.帶推進線螺母的90彎頭Aerospace series - pipe coupling 8 o30 ' in titanium alloy - elbows 45 o, with thrust wire nut
航空航天系列. 8 30 '鈦合金管接頭.帶推進線螺母的45彎頭Aerospace series - pipe coupling 8 o30 ' in titanium alloy - tees with thrust wire nut on run
航空航天系列. 8 30 '鈦合金管接頭.端部帶推進線螺母的三通Aerospace series - pipe coupling 8 o30 ' in titanium alloy - thrust wire
航空航天系列. 8 30 '鈦合金管接頭.推進線Aerospace series - pipe coupling 8 o30 ' in titanium alloy - tees, reduced with thrust wire nut on run
航空航天系列. 8 30 '鈦合金管接頭.端部帶推進線螺母的減徑三通Aerospace series - pipe coupling 8 o30 ' in titanium alloy - elbows 45 o welded end with thrust wire nut
航空航天系列. 8 30 '鈦合金管接頭.帶推進線螺母的45彎頭焊接端Aerospace series - pipe coupling 8 o30 ' in titanium alloy - elbows 90 o, welded end with thrust wire nut
航空航天系列. 8 30 '鈦合金管接頭.帶推進線螺母的90彎頭焊接端分享友人