planetary motion 中文意思是什麼
planetary motion
解釋
行星運動-
An exhibit on celestial mechanics demonstrates the laws governing planetary motion
其中一座有關天體力學的展品，會示範支配行星運動的定律。 -
Here we assume planets move in circular motion at constant speed, and the synodic periods given above is just an approximate value. actually the planetary motion is full of small variants, and the synodic period values are irrational number. the quotient of two irrational numbers cannot be written as a fraction
最新的消息是，在2000年10月後的六星期內，竟然一口氣為土星多發現10顆衛星，讓它在剎那間重新超越天王星，成為最星多勢眾的行星，現在土星有28顆衛星，遙遙領先只有21顆衛星的天王星，木星的衛星數目為18顆，而第四位的海王星則只有8顆。 -
We are also the sole agent of some european swiss, german, brisitsh and italian etc. well - known manufaturers, providing products such as robotics, linear motion units, positioning system, servo - control system and gearbox units etc. the machine tool dedicated dual - drive units, planetary gearboxes, worm gear units are featured with high input speed, compact size, light weight, different ratio options and high output torque
不但具有設計開發研製集成自動化控制系統計量測試控制系統的技術能力同時獨家代理瑞士德國英國義大利等歐洲知名品牌的機器人及直線運動單元定位系統伺服控制系統減速單元等機電產品。其中機床專用雙驅消隙減速機行星減速機，蝸輪蝸桿減速機等產品，有著高輸入轉速，體積小，重量輕，多種可選減速比，輸出力矩大等特點，已在全球眾多廠家成功應用。 -
With a very vast application vista in industry, swing movable teeth reducer, which is used to transmit rotary motion and power between two shafts with same axis, is a new type of small teeth difference planetary gear driver
擺動活齒減速器是一種用於傳遞兩同軸間回轉運動的新型少齒差行星齒輪傳動，在工業上具有廣闊的應用前景。對其進行動態特性的研究和實驗研究具有十分重要的意義。 -
Swing movable teeth reducer is a new type of high property drive device, which is used to transmit rotary motion and power between two shafts with the same axis, is a new type of small teeth difference planetary gear drive, and has many advantages, such as strong load - carrying capacity, high transmission efficiency, large angular velocity ratio, small in size and compact structure etc. these characteristics make the swing movable teeth reducer have vast application prospects in industry
擺動活齒減速器是一種新型高性能傳動裝置，它是用於傳遞兩同軸間回轉運動的新型少齒差行星齒輪傳動（簡稱活齒傳動） ，具有結構緊湊、傳動比范圍廣、承載能力大、傳動效率高等優點。這些特徵使擺動活齒減速器在工業上具有廣闊的應用前景。 -
Normal stress distribution on the inner cylinder forced by power law fluid flowing in annulus with inner cylinder executing a planetary motion
冪律流體在內管做行星運動的環空中流動時的內管法向應力分佈 -
The secondary flow in newtonian fluid flow in annulus with the inner cylinder executing a planetary motion
流體在內管做行星運動的環空中流動的二次流 -
Johannes kepler confirms his previously rejected discovery of the third law of planetary motion ( he first discovered it on march 8 but soon rejected the idea after some initial calculations were made )
1618年的今天，約翰尼斯?開普勒肯定了先前被否決的發現的行星運行第三大定律（他於3月8日首次發現這一理論但是在隨后的最初的計算后否認了這一說法） 。 -
Applications to physics : the oscillator and planetary motion
物理上的應用：諧振和行星運動。
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