軌道運行周期 的英文怎麼說

中文拼音 [guǐdàoyùnhángzhōuqī]
軌道運行周期 英文
orbital period
  • 軌 : Ⅰ名詞1. （路軌;軌道） rail; track 2. （比喻辦法、規矩、秩序等） rut; path; course Ⅱ動詞[書面語] （遵循; 依循） follow
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 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...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 軌道 : 1 （供火車、電車等行駛的由條形鋼材鋪成的路線） track; pathway; rail; runway; circle; railway 2 （...
  • 運行 : move; be in motion; run; working; machine run; operation; corotation; propulsion （影片）
  1. For example, if there is a planet orbiting around the neutron star, it will wobble a little and the pulses will come a little early or late. we can then deduce the mass and the radius of the orbit of the planet from the arrival time of the pulses. this is how the first extrasolar planet is discovered

    例如假若有一顆行星圍繞一顆中子星運行，它會令中子星出現搖動，引致脈沖的間隔變長或短，由此我們根據脈沖周期的變化，可推斷出行星的質量和軌道半徑，這亦是天文學家找出第一顆地外行星時所用的方法。
  2. Most of the meteoroids of the leonid meteor stream concentrate in an elongated thin ribbon - like region. the stream orbits around the sun in an elliptical orbit with a period of about 33 years

    獅子座流星群聚集於一條狹長的區域內，以極為橢圓形的軌道環繞太陽運行，周期約為
  3. The leonid shower occurs each november, when the earth ' s orbit takes it through the trail of particles shed by the comet tempel - tuttle as it swings around the sun once every 33 years

    當地球穿過"坦佩爾-塔特爾"彗星尾部稠密的彗星碎片帶時，就會出現流星雨現象。這顆彗星在太陽系外圍軌道運行，它的運行周期是33年。
  4. As an effective traffic of light rail transit, it has been widely adopted by many large cities over the vorld, and a few cities of china are planning or building the light rail transit in our country, which has characteristic of saving investment, short construction period, high flexibility and low life - cycle costs for the light rail transit which can be constructed underground or high frame in crucial area, which can be suitable for the requirements of large capacity, high speed, safety and punctuality

    輕軌交通便是其中一種有效的交通方式，近幾年來在世界上各國大城市得到迅速發展，我國也有十幾座城市計劃或正在建設輕軌交通。其具有投資少、建設周期短、靈活性強、運行成本低的特點，可在關鍵地段和市中心區採用高架或地下鐵道結構，使其能運量大、速度快、安全、準點。
  5. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  6. One takes 30 days to complete an orbit the other exactly twice as long. nobody has ever seen such a configuration

    其中一顆三十天沿軌道運行一周，而另一顆所需時間恰好是它的運行周期的兩倍。
  7. Perhaps, the most famous one is the comet halley, it has a closed orbit with a period of 76 years

    最出名的封閉式軌道彗星當然是以76年的周期繞日運行的哈雷彗星。
  8. Finally, as laurence a. marschall reports in planetary prospecting, a clever program to hunt for periodic changes in the spectra of stars has confirmed the existence of numerous giant planets orbiting stars beyond our solar system

    最後，正如勞倫斯?瑪舍爾在《行星勘探卜書中所說，一個搜尋恆星光譜周期變化的聰明計劃證實在太陽系之外有無數個大行星圍繞著恆星在做軌道運行。
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