高低軌 的英文怎麼說
中文拼音 [gāodīguǐ]
高低軌
英文
high low rail-
Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively
高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation
這種平面喇叭天線採用了新型的平衡饋電方式，結構簡單，性能良好，同時結合了tem喇叭和振子天線的優點，結構維數低，具有較強的方向性、較高的效率，在uwbsar軌道系統實驗中取得了比較理想的結果。Orientation weighting restricts the direction of trajectories by predicted candidate trajectories and shrink ferret window, and reduces the amount of calculation. truncated sequential probability ratio test ( tsprt ) is also a algorithm of tbd, it can improve calculation efficiency by multistage thresholds to truncate tree - structured list of candidate trajectory of low degree of confidence
截斷序貫似然比方法也是一種tbd檢測的方法，其通過多級門限截斷置信度較低的軌跡樹達到提高效率的目的，在動態規劃中加入該演算法，使之積累的軌跡數減少，降低了計算量和存儲量。This paper expounds the characteristics about the body and the bogie of a vehicle for light rail transit, including the dimensions of the body, the layout within the body, the materials of the body, the structure of high and low floor cars, the arrangement of the doors, truck frame, the flexible suspension of motors and the drive, radial truck and independent wheel brake equipment, etc., intimates the consideration of future manufacture and technical exploitaion
摘要闡述了輕軌車輛的車體及轉向架的特點，包括車體尺寸、車內布置、車體材料、高低地板車的結構、車門設置、轉向架構架及懸掛裝置、彈性車輪、牽引電動機懸掛及驅動、逕向轉向架及獨立車輪、制動裝置等。Talk of space stations, space manufacturing or space defense will be whimsy until the cost of reaching orbit comes down ( gregg easterbrook
關于空間站、空間加工業或空間防禦的高辯闊論在進入軌道所需的成本降低之前只是異想天開（格里格?衣斯特布魯克） 。The higher speed of tilting trains mainly depend on increasing the curving negotiate speed, but which will produce larger centrifugal acceleration, reduce the passenger " s ride quality, enhance the lateral force and make the wear serious between wheel and rail
擺式列車主要是依靠提高曲線通過速度達到提速的目的。車輛曲線通過速度提高后，將產生較大的離心加速度。其結果不僅降低旅客的乘坐舒適度，同時將加大輪軌橫向力和加劇輪軌間的磨耗。After joining the cospas - sarsat in 1992, china established the chinese mission control center, thus greatly improving the capability of the emergency alarm service for ships, aircraft and vehicles
中國在1992年加入了國際低軌道搜索和營救衛星組織，以後還建立了中國任務控制中心，大大提高了船舶、飛機和車輛遇險報警服務能力。The research uncovered the facts that, in the design of space vehicles, the single event effects induced by high - energy protons and iron ions in space must be taken into account seriously, the proper hardening measures must be taken to protect the electronic devices from disfunction. it is also suggested that, for the low - orbit satellites, the south atlantic anominal zone should be avoided
宇宙高能質子和鐵離子的單粒子效應在航天任務設計中需要重點考慮，空間應用的電子學元器件，必須進行適當的抗輻射加固，在設計低軌道衛星軌道時必須設法避開南大西洋異常區（ saa ） ，航天任務設計中還需要掌握太陽質子事件總體上11年為周期的特性。Soon light - weight phones outfitted with high - resolution screen ? which can be embedded in everything from wristwatches to palm - held units ? will be connected to series of low orbit satellites enabling people to talk, send and receive e - mail, or take part in video conferences any time, anywhere
譯文：不久以後，裝有高清晰度屏幕的輕型電話? ?這種電話能安裝在從手錶到手持裝置等任何東西上? ?降雨一系列低軌道衛星相連，使人在任何時間和任何地點都能交談、發送和接收電子郵件或參加電視會議。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。This paper analyzes the cause of small concaves around the welding seam in the long rail of guangzhou metro line 2, and presents preventive measures, such as increasing the under layer of the rail, limiting the weld seam, lowering the welding temperature etc
摘要結合廣州地鐵2號線接觸焊焊接長鋼軌的實踐，分析了產生焊頭表面小凹痕的原因，提出改變墊高鋼軌的方式、縮小正火范圍、降低正火溫度、限制接頭錯牙量等預防措施。Radio tracking of the trajectory of lunar prospector, which traveled in a low orbit that came as close as seven kilometers to the lunar surface, showed stronger than expected gravity above some of the youngest impact basins
月球探勘者號以靠近月表七公里的距離沿低軌道運行，無線電追蹤月球探勘者號的軌跡顯示，部份最年輕的撞擊盆地上，其重力高於預期。The advantages of using leo satellite are as following : on the one hand the satellite orbit is low, so the transmission delay is short, the power loss is small ; on the other hand the development of cell communication, multi - access, frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication. so the leo system is considered to be a satellite - mobile - communication system with a great future
低軌道衛星是一種運行於1000公里左右的高空中的人造衛星，利用leo衛星實現個人通信的優點在於：一方面衛星的軌道高度低，使得傳輸延時短、路徑損耗小，多個衛星組成的星座可實現真正的全球覆蓋，頻率復用更有效：另一方面蜂窩通信、多址、點波束、頻率復用等技術的發展也為低軌道衛星移動通信提供了技術保障。The space station system inosculates the technology of satellite and manned flight vehicle. it can realize manned flight in the low orbit with more reliability, maintainability, expandability and usability
空間站系統融合了衛星和載人飛船的技術，可以長期在空間低軌道上作載人飛行，而且具有較高的可靠性、維修性、可擴展性和實用價值。The pentagon ' s defense threat reduction agency ( dtra ) attempted to predict the results of various hypothetical scenarios involving the use of hanes against leo satellites in 2001
美國五角大廈的防恐怖威脅署（ dtra ）於2001年嘗試預測高空核爆影響低軌道衛星所造成的各種假設狀況，結果相當令人震驚。To reduce noise, vibration and wheel / rail force, and improve ride comfort and fatigue life of wheel / rail, the resilient wheelset becomes the inevitable outcome of urban public traffic
為了降低噪聲、振動、提高乘坐舒適性、降低輪軌作用力及提高輪軌疲勞壽命，彈性輪對車輛的誕生就成為城市公共交通發展的必然產物。" this is a season that has been full of highs and lows but i ' m sure that there is enough time to put things right.
"在本季中充滿了高低潮，但我相信還有充裕的時間將一切導上正軌。The jiexing brand guide rail of elevator has been praised as the customer - satisfied product for 12 years, raw elevator guide rails in shangsan brand is the trust the products in the whole country and has international reputation. steel flat and tract steel are the special - purpose products that the country appoints, aluminum material in xinguan brand was honored the golden prize of china s fourth building decoration material exhibition. the zinc - plated steel colored coating board of electricity in runfa brand is jiangsu province famous brand product, which has been honored as provincial torch program project. the anti - fingerprint board in runfa brand has replaced imported products, and has been the major material of domestic electrical home appliances and automobile. various types of yarns and threads in runfa brand have been listed into the products that are exempt from inspection to export by users
集團開發生產的「捷星」電扶梯導軌，連續十二年被評為全國用戶滿意產品生產「上三牌」電梯導軌毛坯是全國信得過產品，具有國際信譽，球扁鋼，履帶鋼是國家定點專用產品「鑫冠」牌鋁型材榮獲第四屆全國建築裝飾博覽會金獎「潤發」牌各類紗線被列為用戶免檢產品，成為國內家電行業和汽車行業的主材料製造的8000噸級裝有衛星導航系統的集裝箱輪，受到了國際船商的高度好評少無切削精密冷壓鑄造件，港口機械，汽車型材高低壓成套電器等產品，技術含量高，新品系列不斷搶占市場。Abstract : the track vertical profile irregularity is regarded as stationary ergodic gaussian random processes. the vertical radom vibration of vehicle and track is computed on the basis of vehicle track coupling dynamic fem model. the analysis of system response is made in the time and frequency field
文摘:將軌道高低不平順視為平穩各態歷經隨機過程5 ，利用車輛-軌道耦合動力有限元計算模型，對車輛-軌道系統垂向隨機振動做了計算，在時域和頻域內對系統響應作了分析。The development of researches and application techniques such as gravity filed recovery and atmosphere sounding by on board gps receivers pose very high requirements on precise orbit determination ( pod ) of low - earth - orbiters ( leos )
藉助低軌衛星上搭載的儀器而展開的科學研究及各種應用技術的迅猛發展，對低軌衛星定軌精度提出了越來越高的要求。分享友人