流星速度 的英文怎麼說

中文拼音 [liúxīngsùdù]
流星速度 英文
meteoric speed
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 流星 : 1 [天文學] meteor; shooting star2 （古代兵器） an ancient weapon composed of two iron balls fixed...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. Dust devils are small tornadoes. they are common on earth, particularly in desert regions that have few obstructions, and on mars, a world dominated by deserts and great dust storms

    在木星雲頂景觀中，流體的旋轉速度取決于流體與旋轉中心的距離，所產生湍流及層流形態，與木星土星天王星及海王星的大氣層相似。
  2. Countless meteoroids will be sent hurtling into the earth ' s atmosphere at 71 kilometres a second

    無數流星將以每秒71公里的速度劃破長空。
  3. Intense ultraviolet radiation from the core heats the circumstellar gas to ten thousand degrees, and the velocity of the gas flowing away from the star jumps to about a million miles per hour

    核心強烈的紫外輻射將星周氣體加熱到上萬度，從恆星流出的氣體速度躍升到了每小時百萬英里。
  4. Draconids are easily recognizable as the meteors are much slower than other meteor showers

    天座流星劃過天空的速度較其它主要流星雨慢，很易分辨。
  5. To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities

    通過在大質量恆星形成區搜尋高速分子輻射，並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系，我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的；我們同時發現在co分子的譜線全寬和所對應源的紅外光度之間存在很好的相關性，線寬隨紅外光度增加而變大。
  6. When a meteoroid with a speed of tens of kilometers per second hits the earth s atmosphere, the friction with air will heat up the meteoroid. the high temperature will cause the surrounding atmosphere to glow, creating a bright streak of light called a

    當流星體以每秒數十公里的速度進入地球大氣層，由於與空氣摩擦而產生高熱，高溫令流星體四周空氣發光，形成一條劃破天際的光跡，我們稱之為
  7. The satellite will continue moving at constant speed in its orbit forever unless there is some force to slow it down, such as collisions with meteors

    衛星將以恆速成在軌道上永遠運行下去，除非有某種像與流星碰撞這樣的力使它減慢速度。
  8. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機，採用多邊形磁鏈軌跡法（電壓空間矢量法）的控制策略；動量平衡電機採用永磁無刷直流電機，通過電流環、速度環達到快速、精確跟蹤驅動電機的目的，確保了衛星姿態恆定；設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制，並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  9. The range of turbulent velocities determines the relative proportion of small and large

    星體大小的比例由亂流速度的快慢決定。
  10. With the development for many years, the “ haiyueliuxing ” lamp is famous in the market, in order to ensuring the healthy and persistent development of enterprise, qixin will build up the brand notion, implement brand strategy, boost the buildup of brand, and it ' s also the base which make the enterprise be managed better

    經過幾年的快速發展，公司「海月流星」照明燈在市場上已經有較高的知名度，為保證企業健康、持續發展，奇新將牢固樹立品牌觀念、實施品牌戰略、推進品牌建設，促進企業品牌化發展，而這也是企業經營更上一層的基礎。
  11. The antenna driver is the key part of the secondary planet system. in this paper full - digital ac - servo control system based on dsp ( digital signal processor ) is adopted to control antenna rotating, which improves greatly system reliabity and stability

    本文就是為解決某型號衛星天線的穩定旋轉而專門設計的以電機專用控制晶元dsp為控制核心的全數字化交流伺服驅動系統，從而極大提高整個系統轉速穩定度和可靠性。
  12. Initially the loosely bound outer layers stream off the star at 10 to 20 kilometers per second ? a relatively slow outflowing wind that will carry the bulk of the nebula ' s eventual mass

    最初，鬆散的外表會以每秒10 ~ 20公里的速度流出恆星，這些相當低速向外流出的風，終將掏空星雲整體的質量。
  13. The film stars emile hirsch in the leading role of " speed, " with christina ricci as his girlfriend, oscar winner susan sarandon ( " dead man walking " ) and john goodman ( " evan almighty " ) as mom and pops racers

    電影明星埃米爾?赫斯基領銜主演「速度」 ，克里斯蒂娜?里奇是他的女朋友，奧斯卡影后蘇珊?薩蘭登和馬修?福克斯分別飾演媽媽和流行賽車手。
  14. Based on this theory, some experiments were done on two different hermetic cabins of two different man - made satellites. the results of the experiments give us the distribution of velocity. compare the results to the requested, and some suggestions can be given

    在該理論的指導下，分別對兩個型號衛星密封艙的流動情況進行了實驗研究，實驗結果給出艙內的速度分佈情況，並與要求的速度分佈比較，由此對設計方案提出合理建議。
  15. The satss is an antenna pointing servo system with ultra - low speed and high accuracy, driven by a rare earth permanent magnet ( repm ) brushless dc torque motor. to reduce torque ripple, the repm brushless dc torque motor has a slotless armature, and uses sinusoidal wave driven technology

    衛星天線跟蹤伺服系統為超低速高精度天線指向控制系統，該系統使用稀土永磁式無刷直流力矩電機作為天線的驅動機構，為降低轉矩脈動，電機採用無槽電樞結構設計，並使用正弦波驅動方式。
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