軌道壽命 的英文怎麼說
中文拼音 [guǐdàoshòumìng]
軌道壽命
英文
orbit lifetime-
3. expatiated on the application theory of basic orbit, including subastral point calculation, visibility analysis, coverage evaluating and spacecraft life - span estimate
3 、闡述了基本軌道應用分析理論，包括星下點軌跡計算、可見性分析、覆蓋評估和軌道壽命估算。The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch
在大功率恆流充電技術上，成功的應用了交流調壓式恆流技術，可以在8s內讓電容器儲存25kj的能量;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關，使用雙觸發電路，研製出了低抖動、快前沿的高壓脈沖發生器（點火機） ;採用單片機和pld ，研製出了精度為10ns的延時同步機。The main shuchural features of the new electric single - girder overhead travelling crane presented in this paper is as follows : using a special gisder section to provide simple production technology and light weight ; dopting hinged connection at one end between main glrders and end carrages instead of the rigid connection at both ends, eliminating the three - point supporting problem with the crane and thus improving the travelling perfomance ; extending crane wheels life contributed to the combination of no - flange crane wheels and horizontal rollers
提供種生產工藝簡單、自重輕的主梁截面，並將單梁起重機主、端梁的剛性連接改為端用鉸接連接，解決了在製造和軌道安裝時因誤差而造成的大車運行三條腿現象，提高了運行性能；用可調大車運行水平輪中心距的設計，代替帶輪緣的大車輪，提高大車輪的使用壽命。To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press
靜壓傳動技術在各類工程機械中得到廣泛的應用，對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要，為了能直接對這種馬達進行壽命估計，並能在相同工況下求得壽命最長的軌道曲線，本文從設計等接觸應力內曲線的角度對這類馬達作探討性的研究，主要從以下四個方面進行： （ 1 ）綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況，對柱塞組件進行受力分析，並通過模擬分析影響軌道和滾動體間正壓力的各個因素，得到正壓力的簡化表達式。The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc
大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。Abstract : the forced state in key parts and their lifetime, the volume of high pressure chamber and ratio of pressure, the length of high pressure stroke and pressure stability, the relations between the deformation of high pressure chamber and temperature field and pressure field for three kinds of apparatus of making synthetic diamond under high pressure and high temperature were compared in this paper. the differences of these main apparatus were analyzed according to the degree of difficulty and ease in the technique, the choice of applicability and the cost and yield of them. it was emphasized that studying and developing the large sized belt - type press should be the way to make high quality saw diamond and change the state of making middle and low quality diamond in the diamond industry of our country, catching up with the international advanced level as well
文摘:通過對高溫高壓合成金剛石3種主要裝備在關鍵部件受力狀況與使用壽命、高壓腔體積與壓力利用率、高壓沖程大小與壓力穩定性，高壓腔變形與溫場、壓場的關系等方面的比較，分析了3種主要裝備在技術難易程度、適用性選擇和投入產出比的差異；強調了我國金剛石行業要改變當前只能生產中低檔金剛石的現狀，向生產高品級鋸片級金剛石的方向發展，與國際接軌，應該走大型化兩面頂的道路。The forced state in key parts and their lifetime, the volume of high pressure chamber and ratio of pressure, the length of high pressure stroke and pressure stability, the relations between the deformation of high pressure chamber and temperature field and pressure field for three kinds of apparatus of making synthetic diamond under high pressure and high temperature were compared in this paper. the differences of these main apparatus were analyzed according to the degree of difficulty and ease in the technique, the choice of applicability and the cost and yield of them. it was emphasized that studying and developing the large sized belt - type press should be the way to make high quality saw diamond and change the state of making middle and low quality diamond in the diamond industry of our country, catching up with the international advanced level as well
通過對高溫高壓合成金剛石3種主要裝備在關鍵部件受力狀況與使用壽命、高壓腔體積與壓力利用率、高壓沖程大小與壓力穩定性，高壓腔變形與溫場、壓場的關系等方面的比較，分析了3種主要裝備在技術難易程度、適用性選擇和投入產出比的差異；強調了我國金剛石行業要改變當前只能生產中低檔金剛石的現狀，向生產高品級鋸片級金剛石的方向發展，與國際接軌，應該走大型化兩面頂的道路。Positive support will be given to the development of commercial broadcasting and telecommunications satellites such as geo - stationary telecom satellites and tv live broadcasting satellites with long operating life, high reliability and large capacity, so as to form china ' s satellite telecom industry
積極支持商用廣播通信衛星的發展，開發長壽命、高可靠的大容量地球靜止軌道通信衛星和電視直播衛星，初步建成中國衛星通信產業。Selection of equipments for subway power supply system and the cost in whole life cycle
基於全壽命周期費用的城市軌道交通工程設備選擇Satellite lifetimes in orbit range from a matter of days to hundreds of years.
衛星在軌道上的壽命從幾天到幾百年不等。Bol - weight, beginning of life weight
軌道上壽命初期重量Caption : : the low - orbit design allows astronauts to conduct servicing missions and upgrade scientific instruments. it brought enormous remarkable astronomical discoveries. public outcry of saving hubble turns out extended hst ' s life
低軌道設計讓望遠鏡可以定期由太空人進行維修和升級科學儀器。哈勃為天文界帶來前所未有的貢獻，在天文學家的爭取下，哈勃的壽命得以延長。分享友人