飛行地面時間 的英文怎麼說

中文拼音 [fēihángdemiànshíjiān]
飛行地面時間 英文
ground elapsed time （get）
  • 飛 : Ⅰ動詞1 （鳥、蟲等在空中活動） fly; flit 2 （利用動力機械在空中行動） fly 3 （在空中飄浮遊動） fly...
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 飛行 : flight; flying; aviate; voyage; volitate; hop
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  2. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作：對導彈可發射區和飛機可攻擊區進行建模，通過對導彈彈道的模擬計算，並運用典型的圓概率偏差精度分析方法，詳細討論了飛機實施攻擊時，飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響；因此，將飛機和導彈結合起來，詳細研究了飛機在垂直平面和水平平面內實施攻擊時，飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響；以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果；最後給出典型算例，通過對空地攻擊過程的模擬實現，對飛機飛行過載提出要求。
  3. For better understanding the structure of insect community aloft and how it interacted with the insect community near the ground, especially the effects of the wind - borne migration, observations were conducted with a searchlight trap on an island ( 38 23. 200 " n, 120 54. 500 " e ) in changdao, at the center of baohai channel, in 2002, and with a digital entomological radar and a twin light - trap ( simultaneously operated searchlight trap and ground light - trap ) at a site in langfang ( 39 30 ' 42 " n, 116 36 ' 07 " e, 28 m asl ), in the vicinity of beijing, in 2001 and 2002

    為了更好地理解空中昆蟲群落的結構及其如何與近地昆蟲群落相互作用的，尤其是風載遷飛的效應， 2002年在渤海海峽中間的長島縣一小島（ 3823 . 200 』 n ， 12054 . 500 』 e ）上使用探照燈誘蟲器進行了觀測； 2001和2002年我們使用數字昆蟲雷達和姊妹燈（同時使用的探照燈誘蟲器和地面燈誘蟲器）在北京附近的廊坊（ 39 30 42 n ， 116 36 07 e ， 28masl ）進行了觀測。
  4. With the development of space exploration projects, the atrophy and decreased function in antigravity skeletal muscles are one of major problems that need to be solved for the prolonged space flight. to understand the features of decreased contractile function and increased fatigability in unloaded hindlimb skeletal muscles will help to develop effective countermeasures during space flight, and contribute to the prevention and treatment of skeletal muscle atrophy in long - term bed - rest patients

    隨著載人航天活動的發展，航天飛行時間越來越長，抗重力肌廢用性萎縮引起的強直收縮疲勞性增加，使航天員運動易疲勞的感覺更加明顯，限制了飛行時間和工作效率，在應急逃生時肌肉發生損傷的可能性增大，且影響返回地面重力環境后的再適應能力。
  5. Abstract : the results of field experiment of comparison and demonstration in a large area showed that treating seed with imidacloprid and applying it in the late seedling stage and the early field stage can control small brown - back rice planthopper better, and prevent the epidemic of rice black - streaked dwarf virus disease effectively

    文摘:通過田間對比試驗和大面積示範應用證明，播種時以吡蟲啉拌種，秧田後期、本田前期噴施康福多、撲虱靈，可以較好地控制灰飛虱，從而有效地控制黑條矮縮病的流行。
  6. The key to the settlement of the question of effective detection of ground and low air targets lies in adaptive of effective clutter suppression in airborne radar

    因此，有效地抑制這種時間非平穩和空間非平均的雜波干擾是雷達系統有效完成地面目標和低空飛行目標檢測必須解決的首要問題。
  7. If we tracked satellite by the tradition narrow beam antenna, that should caused the jumping tracking between multi - aircraft. that is difficult to achieve by the immense antenna boot and the follow - up system. using digital beam forming realize aircraft target tracking and controlling should be best means to resolve this problem

    隨著我國多星測控系統的發展，在一個測控站作用范圍內將出現多星，同時要求地面站對多星同時進行跟蹤測控；如果採用傳統的窄波束天線對目標進行跟蹤測控，必然導致天線在多個飛行器之間進行跳動跟蹤，這對于龐大的天線引導、伺服系統來說難以實現，採用數字波束對飛行器目標進行跟蹤測控是解決此問題的最好方法。
  8. " student pilots " record the time it takes for eight paper helicopters ? modeled on a maple seed as it spins to earth from its treetop ? to fly to the ground

    「學生飛行員」記錄8個紙飛機飛行的時間- -像楓樹種的從樹稍落到地面一樣， -來使紙飛機落到地面。
  9. 2 ) we analyse the locomotion equation, trajectory parameter, trajectory ellipse parameter, average angel velocity formula under the condition that we only think about the g - force. we ascertain the relationship of the target place and the moving velocity and flying time by keplei equation, and ascertain the trajectory and the data of the place target landing, finally we analyse the effect on the target trajectory and landing from the earth ' s rotation itself

    （ 2 ）分析了在只考慮地球引力情況下的雷達目標運動方程、軌道面參數、軌道橢圓參數、平均角速度公式;通過迭代求解開普勒方程確定了目標位置、目標運動狀態和飛行時間的關系;確定了雷達目標的軌道、落點數據;最後，分析了地球自轉對目標的軌道和落點的影響。
  10. There are great differences between ground test of a flight vehicle ' s aerodynamics and that of a dual - mode scramjet when ground test facilities are used to do experiments on a dual - mode scramjet engine, the components of incoming flow and its parameters, including total pressure, total temperature ( or total enthalpy ) and velocity must be simulated. at the same time, since the fuel ' s resident time within a combustor is very short, on the order of one millisecond, it is difficult to measure the flow - fields

    進行雙模態沖壓發動機地面試驗研究時，必須要求試驗設備能模擬實際飛行條件下來流氣體的組分、總壓、總溫（或總焓）以及來流氣體的流動速度；同時由於燃料在燃燒室內駐留的時間很短，一般為毫秒量級，從而使流場物理量的測定顯得非常困難。
  11. In reply to my question at the council meeting on 27 october 2004, the government indicated that the civil aviation department had since october 1998 implemented various flight noise mitigating measures to minimize the impact on the communities near the flight path. for example, to avoid aircraft overflying densely populated areas in the early hours, arrangements were made for flights departing hong kong between 11pm and 7am to use the southbound route via the west lamma channel as far as possible, while flights arriving in hong kong between midnight and 7am were directed to land from the waters southwest of the airport

    政府在2004年10月27日立法會會議答覆本人質詢時表示，為減低飛行噪音對航道附近社區的影響，民航處自1998年10月起實行各項消減措施，例如在晚上11時至翌日早上7時期間，盡量安排離港的航機使用西博寮海峽的南行航道在凌晨至早上7時抵港的航機，則盡量安排從機場西南面海面進場降落，以避免航機在深夜時分飛越人口稠密的地區。
  12. American airlines says that different work is done depending on the mileage flown and the ground time available, but that it mostly involves picking up trash, folding blankets and replenishing provisions

    美利堅航空公司稱，依飛機飛行的里程數和地面停留時間不同，所做清潔工作也有差異，但就它而言多數情況下都是拾拾垃圾、疊疊毯子再就是補給機上供應。
  13. Under the requirement of multi - maneuver flight mission, spacecraft sometimes has to perform autonomous navigation by using on - board sensors in a short time

    未來多任務航天器往往要執行多次機動飛行，由於地面導航的局限性，需要在較短的時間內對航天器進行自主導航。
  14. Named for their rapid flight, house swifts spend almost all of their life on the wing and never land on ground or perch on wires. they feed on insects which they catch in mid - air and are believed to be responsible for eliminating 10 million small insects from the campus per day

    這種一生大部份時間都在飛行的小鳥從不落地或者在棲枝上稍歇，而且一面飛一面捕食半空的昆蟲，估計每天在校園內消滅的昆蟲以千萬計。
  15. Standard practice for visual signals between persons on the ground and in aircraft during ground emergencies

    地面發生緊急情況時地勤人員與飛行器中人員之間可視信號的標準規范
  16. But technology is usually a two - side sword, web media brings the human being much benefit ; at the same tune, it seems as if opening the padola box, its " negative effect is obvious : the direct of the public opinon is not clear ; the deed of violating power off often happens ; fictitious news and fithy information are flooding. information trans ceding the region and the national boundaries makes the opion of ethics between the west and the east communicate and collide. at the same time, international media produces a new monopoly

    但是，技術從來都是一把「雙刃劍」 ，網路傳播在給人類生活帶來巨大便利的同時，也如同打開了潘多拉的盒子，其負面影響日益顯著：輿論導向模糊；侵權行為頻繁發生；虛假新聞和色情信息泛濫；信息的超地域、超國界流動使得東、西方倫理觀遭遇空前的交流和沖撞，國際傳播產生新的壟斷… …網路技術飛速發展和信息流動的瞬息萬變使得上述倫理沖突幾乎是在一夜之間凸現出來。
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