short lifetime 中文意思是什麼

short lifetime 解釋
短壽命
  • short : n 蕭特〈姓氏〉。adj 1 短的；短暫的。 （opp long）。2 矮的；低的 （opp tall）。3 短期的。4 簡短的...
  • lifetime : 1. 一生，終生。2. 【原子能】壽命。
  1. Short lifetime means uncertain mass.

    短壽命意味著質量不確定。
  2. At present, the solar cells used on space aircrafts are still mainly si and gaas solar cells. however, the radiation resistance ability of these two materials is poor. since the photoelectric conversion efficiency attenuates rapidly with the radiation, the lifetime of si and gaas solar cells is short and their stability is not satisfied for space applications at van allen belt

    目前國內外用於航天器上的太陽電池主要為si和gaas太陽電池，但這兩種材料的抗輻射能力較差，其光電轉換效率由於高空輻射衰減很快，因而壽命短，穩定性差，不能滿足用於vanallen強輻射帶的空間應用需要。
  3. Second, the current routing protocols of wireless sensor network are analyzed, aiming at the disadvantage that the protocols have high power dissipation and short lifetime. based on the leach routing protocol, we improve the leach routing protocol, and then name the advanced routing protocol leach new, in which we improve cluster head selection algorithm and optimal cluster number determination of leach respectively

    並重點對現有的無線傳感器網路路由協議進行了分析研究，針對這些協議存在的整體能耗高、網路生命周期短等缺點，在leach路由協議基礎上，對leach路由協議進行了改進，我們把改進后的路由協議稱為leachnew 。
  4. Short excited state lifetime and low activation energy for reactions in the excited states leave little room for manipulating the diastereomeric transition state when the photochemical reactions occur in solution

    最新的研究表明，採用含手性空間或經手性修飾的微環境可以使光化學反應的立體選擇性大大提高。
  5. Stage lighting : it overcome the shortcomings of current general flashlight bulbs ' short lifetime and great power consumption, our led stage lighting have the strongpoint of bright color, less consumption, and long life and a 24 - hour work. it is the ideal lighting for entertainment spot and box

    舞臺頻閃燈：它克服了目前一般閃光泡頻閃燈壽命較短、耗電大的缺點， led頻閃燈色彩鮮艷、耗電少、壽命長，是目前娛樂場所和包廂理想的舞臺頻閃燈，可連續24小時工作。
  6. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  7. Decaying with relatively short lifetime. used of subatomic particles

    衰變的具有相對較短的壽命而衰變，常用於亞原子粒子
  8. But because the lifetime of pollutants is short and they can be rained out, scientists are hopeful that if asians use more efficient ways of burning fuel, such as better stoves, and cleaner sources of energy, time has not run out

    但是由於污染物的存活時間短，而且能夠被雨水沖洗掉，因此科學家們認為，如果亞洲人民在使用燃料的時候能夠換用更為有效的方法，例如使用更高級一些的火爐，改用更為清潔的能源等等，這樣人類就還能有時間拯救我們的地球。
  9. Experiment indicates that the sensor has a series of virtues, such as high sensitivity to aldehyde, good selectivity and reappearance, very short response time and stable performance, compared with ib processed before, it is easier to regenerate and has much longer lifetime

    該qcm傳感器，在液相中都表現出了對甲酸良好的響應敏感特性，在線性度、靈敏度、穩定性與重現性等方面均優良。有望用於對甲酸的在線檢測。
  10. The natural lifetime for such beings is short, compared to the travel time

    這樣的生命具有的自然壽命與太空旅行的時間相比是短暫的。
  11. However, most of the current wireless networks still work in low bandwidths, and mobile devices still suffer from weak computational power, short battery lifetime and limited display capability. therefore, this thesis deals with developing a very low bit - rate bi - level video coding technique, which can be used in video communications almost anywhere, anytime on any device as follows : ( 1 ) convert true color video sequences from ccd and video card to grayscale ones, ( 2 ) detect static region of successive frames by the sum of absolute differences ( sad ) and update current frame using static region of previous frame, to decrease flicker. ( 3 ) threshold the images to bi - level video sequences using ridler ' s iterative selection

    為此，本論文在傳統h . 26x和mpeg - x等視頻編解碼技術的基礎上提出了一種新的基於輪廓的視頻編解碼方案，步驟如下： （ 1 ）先把從ccd攝像頭捕捉到的視頻幀序列轉換成灰度幀序列， （ 2 ）在灰度幀序列的基礎上通過sad演算法找出相鄰幀的靜態區域，用前一幀的靜態區域更新當前幀的相應區域，這樣可以降低畫面閃爍， （ 3 ）然後用灰度直方圖迭代所產生的閾值二值化圖像，生成基於輪廓的視頻幀序列， （ 4 ）最後運用基於上下文的算術編碼技術對由第三步生成的二值化視頻幀序列進行算術編碼。
  12. Short of the impossible, as yeats put it, the satisfaction we get from a lifetime depends on how high we choose our difficulties

    正如葉芝所言，除卻某些不可能的情形，我們於人生中所獲取的滿足皆取決於我們在多高的境界中選擇我們所願意麵對的艱難困苦。
  13. These measures mainly consist of guiding and encouraging the taxi whose service lifetime already expired in whole city to be upgraded to the single fuel or double fuel natural gas auto ; guiding and encouraging the diesel oil bus of medium and short distance to be refitted for the single fuel diesel oil natural gas bus ; guiding and encouraging the sanitation vehicle, municipal vehicle to be refitted for the natural gas vehicle ; taking measures to accelerate the construction of natural gas station further, forming the rational natural gas station network distribution between the inner - city, main city zone and district, city along with the country as well as the adjacent province and city

    被稱為「千里眼」的電子站牌當車通過顯示屏時，乘客可以清晰地看到走在最前面那趟車正逐步向自己所處的這個站臺靠近。車離站臺還有多遠，何時會到站，一目了然。之所以在人民路上試點「千里眼」 ，專業人士解釋因為人民路有公交專用車道，只有這樣的城市道路才有條件安裝「千里眼」 。
  14. Do you like this short essay ? are the people around you come into your life for a reason, a season, or a lifetime

    你喜歡這篇短文嗎？你身邊走進你生活的人，是由於你的某個需要嗎，是停留一時的嗎，還是會陪伴你一生的呢？
  15. Diode - pumped q - switch solid - state lasers have many advantage such as high efficiency, compactness, high stability, and long lifetime. high peak power, high repetition rate short - pulse can be obtained by high power diode pumped, which is used comprehensively in the field such as measuring, remote sensing, photoelectric resisting, medical et

    激光二極體（ laserdiode ，簡稱ld ）泵浦的調q固態激光器具有結構緊湊、穩定性好、壽命長等優點，用大功率ld作為泵浦源，可以獲得高重復頻率、大峰值功率的窄脈沖激光，這在激光測量、光電對抗、激光遙感、激光醫療等領域有著非常廣闊的應用前景。
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