空寬比 的英文怎麼說

中文拼音 [kōngkuānbǐ]
空寬比 英文
space width ratio
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. 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。
  3. The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft

    對豎向荷載作用下的空間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛度、樁端土強度、樁長、樁徑、樁距、筏板厚度、筏板外挑寬度等影響因素變化時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。
  4. They would do well to shudder at their sycophantic surrender to a game that might be hyped more than ever before but which even the most liberally minded, most tolerant soul must recognise undermines the morals of the nation on a daily basis

    面對一場賽前被空前大肆炒作，但賽后連最淡薄隨意，寬厚包容的人都覺得玷污了國家基本道德精神的比賽，他們恰如其分的表現出癱軟和無力。
  5. We study the propagation of ultrashort chirped pulse beams in free space. the results show that the chirp influenced on the spatial singularity more than the width of the pulse beam

    但是對于啁啾脈沖光束，啁啾導致的脈沖光譜展寬仍然會導致脈沖光束的空間奇異性，脈沖啁啾比脈沖長度對脈沖空間奇異性出現的影響更大。
  6. The theoretical part mainly refers to studies of optical parametric chirped pulse amplification. we analyze some basic theories of opcpa, such as phase matching, parametric bandwidth, walk - off in space and time, gain property and so on, and compare the basic properties of bbo, lbo and kdp

    理論部分主要是對新興的光參量啁啾脈沖放大技術的相位匹配、參量范圍、時空走離、增益及帶寬特性等基礎理論進行了分析，並對常用的bbo 、 lbo和kdp基礎特性進行了比較分析，這對于光參量啁啾脈沖放大系統的設計具有一定的實際意義。
  7. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現，對于窄帶回波信號，基於fft的方法估計性能大大優于其他方法；對于寬帶回波信號，在信噪比達到一定程度（高於約- 7db ）時，補償后的幾種估計法的性能改善均比較明顯，誤差曲線越來越接近crb曲線；對于回波中存在多頻率多方位的情況，空間?頻率分布圖能提供較為直觀的頻率及方位信息，因此應用空間?頻率估計法來進行方位估計，更有利於進一步對回波的具體方位進行準確判斷和估計。
  8. 3. the parameters of steel frame with infill which affect the lateral, resistant ability, such as panel ratio, frame - to - panel connectors, frame - to - panel interface friction, gap between panel and frame and mortar joint bond and friction were discussed. it is emphasized that the reduced location, shape and dimension is very important for the function of dog - bone reduced beam flange and must be paid more attention

    對填充墻高寬比、填充墻與鋼框架抗剪連接件、內填充墻與框架梁空隙、填充墻開洞和鋼框架與內填充墻界面摩擦等影響填充墻鋼框架抗側力性能的因素進行了討論，並指出設計中考慮這些影響因素對于達到預期的設計目的是至關重要的，必須予以重視。
  9. Second to this, the flexibility in operation is good for airlines to adjust their fleet structure. and, aircraft leasing can accelerate the development of charter service, which is very important for civil aviation

    其次，利用飛機租賃生產經營的靈活性調整國內航空公司機隊結構的不合理，改變國內寬體機比例過高、飛機利用率低下、成本高且不合理等問題，認為選擇飛機租賃是一種經濟靈活的改變機隊結構的有效手段。
  10. Thus saith the lord of hosts ; the broad walls of babylon shall be utterly broken, and her high gates shall be burned with fire ; and the people shall labour in vain, and the folk in the fire, and they shall be weary

    耶51 : 58萬軍之耶和華如此說、巴比倫寬闊的城墻、必全然傾倒、他高大的城門、必被火焚燒眾民所勞碌的必致虛空、列國所勞碌的被火焚燒他們都必睏乏。
  11. We have many grandparents to these sorts of children in our program ; the head almost appears two times larger than the rest of the body, with wide set eyes and a square cranium with a large enough space to hold the much larger pituitary and pineal glands

    在我們的項目里有許多這種孩子的祖父母；頭顱幾乎比所依靠的身體大出兩倍，帶著寬寬的一對眼晴和一個正方形的頭蓋骨，有一個足夠大的空間來掌握大得多的腦垂體和松果腺。
  12. Rational control of the pump ' s work and rest time is the key to solve the problem of void pumping. this essay gives theoretical analysis and cost comparison of every detective method, considers power detection as the most effective method, and puts forward several ways of power consumption and effectiveness power consumption at the same time. the designed electricity saving controller integrate all the above four methods, and it can work with different methods by switch between automatic and manual to broaden its accommodation

    解決油井空抽現象的關鍵是合理控制開機時間與停機時間長度，本文對各種檢測方法進行了理論分析及成本比較，認為功率檢測最行之有效，同時提出了功率檢測的幾種實現方法，即瞬時功率法、人工電耗法、設定功耗法及效益功耗法，所設計的節電控制器集以上四種方法於一身，可通過自動手動切換採取不同的功率檢測方法，使其適應范圍增寬。
  13. The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage

    該晶元採用的控制方式為電壓型pwm （脈沖寬度調制， pulsewidthmodulation ）控制方式，以輸出電壓反饋作為主要控制參量，同時為了提高晶元對輸入電壓擾動的響應速度，採用了輸入電壓前饋方法，將輸入電壓因素引入了反饋控制環中，通過對輸入輸出電壓的檢測，控制加在功率mos管柵極電壓上矩形脈沖的占空比，進而調節輸出電壓。
  14. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到，為了便於比較，我們首先研究了空氣介質的皺褶圓環結構軟表面天線，用fdtd方法並結合pml吸收邊界條件對該天線的性能進行了研究，結果表明天線的帶寬增加，天線的軸對稱性得到了很大改善， e面和h面方向圖的波束幾乎重合，天線的旁瓣和背瓣受到很大的抑制。
  15. The arrangement with belgium for the avoidance of double taxation on airline income has ceased to have effect from y a 2004 2005, the year since which the agreement between the hksar and belgium for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income and on capital has effect in hong kong

    香港特別行政區與比利時就收入及資本稅項避免雙重課稅和防止逃稅協定自2004年4月1日開始的課稅年度在香港具有效力。與此同時，與比利時就航空服務收入的雙重課稅寬免安排在香港失效。
  16. Liquid helium cryocondensation pump has great advantages in large pumping speed, working pressure range and high ultimate pressure, etc. it ' s more excellent than any other vacuum pump. it can meet the vacuum requirement of nbi and can improve the transportation efficiency. the development of neutral beam injection ( nbi ) system in the world, the structure of nbi system used on the ht - 7 device of asipp was introduced in the thesis

    液氦低溫冷凝泵是利用低溫面對氣體有強吸附能力的原理，實現抽氣的真空獲得設備，它具有抽速大、工作壓強范圍寬、極限真空度高等一系列優點，是普通真空設備無法比擬的，作為中性束注入系統的主抽泵，它能滿足中性束注入系統對大抽速的要求，提高中性束的傳輸效率。
  17. Comparing with the system which does not space - time code, space - time coding can obtain transmit diversity and increase channel capacity without frequency bandwidth loss

    與空間未編碼系統相比，空時編碼可以在不犧牲帶寬的情況下起到發射分集和提高功率增益的作用。
  18. His descendants are noted for dazzling theatrical designs of spacious proportions achieved by intricate perspective

    他的後裔以設計使人眼花撩亂的舞臺布景，以及用復雜的透視手法實現寬廣的空間比例著稱。
  19. The interior is very spacious, thanks to the intangible walls. the buildings with the big glass windows we build are closer to those of the higher civilizations, although these more civilized worlds are not necessarily spiritual worlds. i am not saying that they are the highest worlds ; we can say they are worlds belonging to the heavenly realm

    有一些世界用琉璃蓋房子，看起來好像有房子，不過沒壓迫感，可以超過那個墻壁走過去，因為它們有不過沒有，很柔軟很舒服，四周都沒有那種很大的蓋眼睛的墻壁，這樣很空寬，有不過沒有，像我們現在蓋那種很大的玻璃窗戶或是房子，那個就比較靠近文明的世界一點，不過並非這些比較文明的世界就是靈修的世界，我不是說他們是最高的世界，可以說他們是天堂的那種世界。
  20. Analyse to the experimental data shows that there is still much potential to increase the aspect ratio

    對實驗結果的分析表明，進一步提高光刻深寬比的空間很大。
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