活動振源 的英文怎麼說

中文拼音 [huódòngzhènyuán]
活動振源 英文
passing source of vibration
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 活動 : 1 （運動） move about; exercise 2 （動搖） shaky; unsteady 3 （不固定） movable; mobile; flexible...
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  2. " our recovery plan is sustainable and forward looking, combining both short - term initiatives that will attract visitors back with unbeatable special offers, and spectacular events that can reinforce hong kong s long term destination image and reputation ", said mr leung, " our key objectives are to revive hong kong s tourism industry, revive business in key source markets, and build on hong kong s core strengths and values to reinforce its positioning as a significant market in the international arena.

    他說：旅遊發展局重振香港的全球旅遊推廣計劃，將包括持久性和前瞻性的活動，不但會在短期內以特別優惠和大型活動吸引旅客來港，並加強香港作為長途旅遊目的地的形象和聲譽。我們主要的目的，是要重振香港的旅遊業，振興各個主要客源市場的業務，在既有的優勢和基礎上鞏固香港作?國際旅遊市場的地位。
  3. A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings

    提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路，該電路中三個逆變橋臂的零電壓過渡更具有靈活性，僅使用一個諧振電感，既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題，並且諧振電感中殘余能量能夠回饋給電源；新型逆變器的輔助開關均工作在零電流開關條件下，並且控制邏輯簡單。
  4. Today, under the strong promotion of the big development of the western regions, the development of the tourism of the western regions, especially the tourism of the loess plateau regions, will provide an important opportunity to inspire the economy and culture of the regioa but, because of the historical reasons and the negative influence of today ' s socialization of the big production, which has resulted in the current serious soil erosion in loss plateau regions, and the destroy and the loess of partly tourism resources, the result of which has seriously hindered the improvement of the peoples living conditions, and the economic development of the regions even threaten the people ' s living space and foundation. the ecological crisis will give a warning not only to the locals but also to all the peoples in the world

    當今，在西部大開發的有力帶動之下，發展西部旅遊，特別是黃土高原地區旅遊將成為振興當地經濟、文化的重要契機。但是，由於歷史原因和當今社會化大生產的負影響，造成了目前黃土高原地區水土流失嚴重，部分旅遊資源遭到破壞和喪失，生態環境極為脆弱的危機，嚴重製約黃土高原地區的經濟發展和人民生活水平的提高，甚至威脅到人們的生存空間和基礎。這些生態危機不僅給當地人民，而且給全人類社會的可持續發展都敲響了警鐘。
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