曲線體 的英文怎麼說
中文拼音 [qūxiàntǐ]
曲線體
英文
curvilinear bodies-
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。And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development
主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail
本文利用所編的程序，對上海地區豎向荷載作用下的單樁的流變效應進行了分析，並通過樁體位移?時間關系曲線，確定軟土地基上豎直受力樁的承載力，分析了豎直受力樁的最終沉降量的大小，並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。Research and development of integral hyperbola alternator
整體式雙曲線交流發電機的研究與開發And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。Under the guidance of theories of sedimentology, petroleum geology and sequence stratigraphy, and through the comprehensive analysis of outcropsrock, cores, well logs and testing outcomes of rock gas, this paper studies the depositional systems of neopaleozoic and the character of aeration zone in tabamiao area of ordos basin. the result indicates that the object layers are divided into two depositional systems, the barrier seacoast depositional systems are recognized on upper carboniferous taiyuan phase with tidal flat, lagoon and barrier bar sedimentary deposit
本文根據沉積學、石油地質學和層序地層學理論，綜合利用地表露頭、鉆井巖芯、測井曲線資料和試氣成果資料，對鄂爾多斯盆地塔巴廟區塊晚古生代沉積體系及含氣層特徵進行了研究。結果表明，研究區內目的層段可以劃分為2個沉積體系： （ 1 ）上石炭統太原期為有障壁海岸沉積體系，發育潮坪?瀉湖?障壁砂壩沉積。Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident
Win2000系列病床電梯以人性化的設計，超平穩的運行，給予病患者最大程度的安靜舒適增添溫馨的色彩。採用先進vvvf調頻調壓調速裝置，按人體生理要求由電梯優化產生最佳的運行曲線，使電梯的起動加速減速停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置，確保以外停電時，被困電梯內的乘客能及時獲得解困。Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response
文摘:利用有限單元法分析了道路結構的r面波傳播特性：在深度方向上衰減較慢，傳播較深，波動性大.提出了在道路結構動力響應計算中，利用面波來模擬水平向傳播波，利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性，並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting
（ 2 ）立足於室內試驗，對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究，又結合前人對巖石流變本構模型的研究成果，分析並確定了適合羅湖破碎帶巖體力學特性及地層構造特徵的流變計算本構模型，並對該模型的計算參數進行了曲線擬合研究。The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed
因此，本論文重點對大口徑光學系統在高精度光學鏡頭裝校中，因重力變形進行了詳細的分析研究，特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析，使用algor有限元分析軟體獲得了大量的面形誤差分析數據，然後將這些數據繪成曲線進行對比分析，最後提出了減小重力變形的措施與方案，並進行了實驗，驗證了分析結果是正確的，減小重力變形的方法是有效的。This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。On the teaching of triode transistor characteristic curve ' s saturated area
談對三極體特性曲線飽和區的教學In the special fields wheel drive, wheel, gear box construction with spiral technology or beyond that with hypoid, cone, spur wheel as well as with gears, spiral cones and / or with bevel gear and cogged wheels and gears is graessner gmbh well - known
Graessner gmbh是一家現代化的、可靠的專門產品供應商，這家供應商從事傳動、傳動齒輪箱，錐體、圓錐、彈頭，錐齒輪，錐齒輪，錐齒輪驅動，錐形圓柱齒輪，輪、葉輪、齒輪，齒輪，齒輪傳動，螺旋錐，曲線齒錐齒輪傳動箱，圓柱齒輪，齒輪和傳動結構的製造、銷售。Manufacture and discussion of calculating railway cognizant curve softwore by coordinate method
關于座標法計算鐵路既有曲線軟體的研製與探討The digital signature based on elliptic curve crypt system
基於橢圓曲線密碼體制的數字簽名Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation
為解釋微合金化50crv鋼強韌化機理，本文通過對不同淬火溫度，回火溫度，回火時間下的力學性能指標的對比及顯微分析，認為微合金元素的細化晶粒，馬氏體的回火分解，殘余奧氏體的轉變，第二相的沉澱析出共同決定了微合金鋼的強韌化情況，特別是由於微合金元素的存在，其細化晶粒及其碳氮化物的沉澱析出，導致鋼的良好的強韌性，並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應，會在硬度曲線中產生明顯的二次硬化現象。The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user
傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器，它不僅價格昂貴，體積龐大，而且只能顯示幅頻特性曲線，不能得到相頻特性曲線，更不能列印被測網路的頻響曲線，給使用者帶來諸多不便。The main contributions of this dissertation include : firstly, deeply research on underlying techniques of pki system, emphatically analyze dissymmetrical public - key cryptography ecc and compare it with other cryptography techniques
本文首先對pki體系的底層技術進行深入研究，重點分析了非對稱密碼橢圓曲線密碼體制，並將它與其他密碼技術進行了比較。( 2 ) drawing the cell growth curves, and calculating the population doubling time
（ 2 ）繪制細胞生長曲線，計算細胞群體倍增時間。The development of shear band was researched by analyzing the confining pressure - time history, volumetric curve and displacement field of pfc model
通過分析圍壓時步曲線、體變曲線和不同階段的顆粒位移場的變化規律，研究了剪切帶的形成與發展規律。分享友人