均勻極光帶 的英文怎麼說

中文拼音 [jūnyúnguāngdài]
均勻極光帶 英文
homogeneous band
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • 極光 : [地球物理] aurora; aurora polaris ; [天文學] polar light
  1. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階化的拍頻效應,考慮了抽運束為窄線寬或寬線寬的情形.發現其對能級分裂的測量精度決定於學躍遷的增寬.也就是說,這種技術在測量與基態是偶禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度
  2. 2. african walnut tigerwood, origin of africa. wooden features : wood with a black stripe, shiny strong ; no special smell, texture staggered, structure and detailed and uniform, beautiful plane

    木材特徵:木材有黑色條紋,澤強無特殊氣味和滋味,紋理交錯,結構細而,表面為漂亮。
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