離軸的 的英文怎麼說
中文拼音 [lízhóude]
離軸的
英文
abaxial-
The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated
利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。The optical manufacturing for off - axis aspheric mirrors has become increasingly challenging for two reasons. the mirrors, in addition to being larger, are more aspheric and off - axis in order to meet the requirement of next generation space camera, which is commonly configured as three - mirror - anastigmat ( tma ) to get both wide fov and high resolution, and the required accuracy is more stringent
近年來，人們提出了「離軸三反消像散」 （ tma ）結構來滿足下一代空間相機「詳查」和「寬覆蓋」的技術要求，該結構中要求使用三塊離軸非球面反射鏡，而大口徑、高精度離軸非球面反射鏡的製造技術是研製tma結構空間相機的主要技術瓶頸之一。The throw of the crankshaft, i. e. the distance between the main journal and the big end centers, controls the length of the stroke
曲軸的擺幅，即在主要曲頸和連桿大頭末端中心之間的距離，控制著沖程的行程。Epinasty ( epinastic movements ) a nastic movement that involves the curving of a plant organ away from the axis ( i. e. downward ) as a result of greater growth on the upper surface, as in the opening of flowers
偏上性生長（偏上性運動） ：植物開花時由於上表面生長較快而引起植物器官彎曲並偏離軸向的向性運動（如向下） 。Sealed from water and dust, and employing an optics system consisting of two oval - shaped mirrors to transmit the sight picture to the firer, the oavd is designed to be intuitive to use and more accurate than electronic systems
離軸式觀察裝置經過密封能防水、防塵，是具有兩個橢圓形反射鏡組成的光學系統，觀察目標更為直觀，與電子系統相比也更為準確。Currently in initial production, the off - axis viewing device （ oavd ） is a small viewing unit that mates with a weapon s existing receive - mounted optical sight and provides an image of the target transmitted through the scope and reflected 50 to the line - of - sight back to the firer
目前，初期生產的離軸式觀察裝置（ oavd ）是一種與裝在支座上的光學瞄準具相配的小型觀察器，它能將透過物鏡的目標圖像折射50到視線方向，再提供給射手。In the second part, we introduce the formative processes, the optical geometries and the mathematical descriptions of several typical holograms particularly : the in - line holograph, the off - axis holograph, the image holograph, the rainbow holograph and the volume holograph
第二部分詳細介紹了幾種典型全息圖：同軸全息圖、離軸全息圖、像全息圖、彩虹全息圖和體積全息圖的形成過程、光路設計及數學描述。This is the first generation holograph. aided by an abundance ot the new coherent laser light and extended by a number of technological advances, leith and upatnieks produced the off - axis hologram recorded and reconstructed by laser in 1962. the twin images can be separated in this hologram
隨著高相干度激光的出現， 1962年leith和upatnieks將通訊理論中的載頻概念推廣到空域中提出激光記錄、激光再現的離軸全息圖，分離了孿生像，使全息術進入了第二代全息圖的發展時期。The digital simulation based on this control law denotes that it possesses very well performance, and the interception ability of aam for short range in launching of large off - bore sight angle can be raised
數字模擬表明，該控制律具有很好的性能，能使近距空空導彈在大離軸角發射時的截擊能力得到提高。The holographic lens, which is designed according to bragg condition to eliminate aberrations, has both high efficiency and low aberration, and can be used in a certain narrow - band condition. a example and its results are also given in this paper
該方法採用雙片離軸全息透鏡復合，按使用條件在布喇格條件下進行消三級像差設計，製作設計的全息透鏡具有高衍射效率高、像差小的特點，可以滿足任意給定的窄帶光場合。This paper discusses the polygon medial axis definition of gis and calculation geometry, and their main distinguishing feature, pointes out that the polygon medial axis should be the locu of the equal - distance points to two or more edges of the polygon ; analyzes the relevant different algorithm and cases in practice, and proposes the geometry means in theory relatively rigid and widely meeting the requirements in practice - dotted pair rank method and the map algebra polygon medial axis method, utilizes them to offer several polygon medial axis calculation examples
摘要比較了當前國內外gis中和計算幾何中關于多邊形中軸的定義，討論了它們的主要特點，指出多邊形中軸應是到兩個以上邊距離相等點的軌跡，並據此分析了相應的各種演算法和實際應用場合，提出了理論上較為嚴密、能夠廣泛滿足實際應用需要的幾何方法點對序列法和地圖代數多邊形中軸法。The problem of torque increase and drill fracture during the process of deep well drilling was analyzed, and a safety protection and control technique was introduced, where a torque sensor was fixed between drilling bar and motor axis, while an electromagnetic clutch was fixed in the transmission chain of feed system
摘要對深孔鉆削過程中出現扭矩增大及折斷鉆頭鉆桿問題進行了分析，介紹了一種鉆桿主軸與電機軸的連接中安裝扭矩傳感器，進給系統的傳動鏈中安裝電磁離合器的深孔鉆削安全保護與控制技術。The forces acting on a sliding hoot, the key element of swash - plate axial piston pump. are analyzed and the formulas computing squeezing and repelling forces are derived ; the redundant squeezing force method is presented, including the selection of parts materials, squeezing force factor and the determination of geometric parameters of a sliding hoot
摘要分析了斜盤式軸向柱塞泵的關鍵摩擦副零件滑靴的受力，導出了壓緊力和分離力的計算公式；介紹了滑靴設計方法中的剩餘壓緊力法，包括零件材料、壓緊力系數的選擇以及滑靴關鍵幾何參數的確定。In airborne synthetic aperture radar ( sar ), antenna stabilization platform is used to isolate antenna pointing, which is stabilized through controlling the platform axis ' rotation, from the vehicle ' s varying attitude and dynamical vibration
摘要機載合成孔徑雷達中，天線穩定平臺用於隔離載機的姿態變化和機械振動對天線指向的影響，並通過伺服系統控制平臺支承軸的轉動穩定波束指向。The propagules of b. gymnorrhiza and a. corniculatum undergo some growth before becoming detached from the parent plant. they accumulated large amounts of ions during the development while the level of ion concentrations are consistently lower in their embryos compared to leaves of parent plant. before detachment, the growth of hypocotyls were reduced, the water content declined, while the osmotic potential was approaching to or more negative than that of the solution on which their parent plant vegetating
另一方面維持較大比例的有機滲透調節劑，控制細胞液中鹽離子的水平以減少代謝毒害；木欖成熟胚軸的密度接近或低於生境中海水的密度，適于隨水漂浮和傳播；胚軸內離子濃度呈下降趨勢，但最終以達到和母樹生境中的離子濃度水平相一致為目標。This off - axis capability, as it is called, increases lethality and survivability by allowing the pilot to target threats with head instead of aircraft motions
這種離軸能力，就和它的名字一樣，通過允許飛行員頭部的運動而不是飛機的運動來瞄準威脅，增加了飛機的殺傷能力和生存能力。Rotating through means of supporting the eccentric shaft housings can be high - power output shaft axis and the distance between completely exclude sleek phenomenon
通過旋轉支撐入力軸的偏心軸承座可高速入力軸和出力軸之間的距離，能完全排除不滑順的現象。The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results
在理論模型方面，前人提出了離散模型、微分模型和隨機模型等來模擬液體的徑向和軸向流率分佈，但仍然存在許多問題，往往計算工作量大且常偏離實際情況，本文作者在導師的指導下，參照前人的研究成果，在滴流床的流率分佈中採用了狀態離散、時間離散的markov過程描述了滴流床的流率分佈，結果與實驗值吻合較好。This method has some characters : during recording of the transmissive holograms the holographic grating placed in front of the holographic plate closefittingly is used as a spectroscope. the transmissive wave is served as the object wave and the diffraction wave through the holographic grating or the deflective reflect wave produced by the silicon slice is served as the reference wave, therefore the hologram is named as self - reference image hologram. the recording results are the off - axis holograms and the twin images can be separated successfully
在記錄透射型全息圖時，將全息光柵緊貼置於記錄干板之前，而光柵起到了分光的作用，直透波作為全息圖的物光波，參考光是物光通過光柵后產生的衍射波；記錄反射型全息圖時將矽片置於記錄干板之後，利用反射矽片產生離軸參考光，因此系統僅需一束照明光束，參考光來自物光本身，因此稱之為自參考像全息圖。Several test results of other, nff - axis aspheric mirrors are also given. all of the mirrors have accuracy better than 1 / 40x, and have fulfilled the demands by designer
實踐證明，本文的研究適用於大口徑離軸非球面反射鏡的加工，有效地提高了非球面的加工效率和精度水平。分享友人