階梯天線 的英文怎麼說

中文拼音 [jiētiānxiàn]
階梯天線 英文
echelon antenna
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 階梯 : (臺階和梯子, 比喻向上的憑借和途徑) a flight of stairs; ladder; staircase; step
  1. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密體(白矮星、中子星及黑洞) 、波霎、雙x -射源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射;距離;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。
  2. Information is collected through the use of special rotating antennae found on the two strands that form the helix and located where each strand intersects with its four ladders

    通過使用在二條里發現的特別旋轉收集信息,二條形成螺旋狀用它的四個固定在每條橫斷面上。
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