形狀不對稱 的英文怎麼說
中文拼音 [xíngzhuàngbùduìchèn]
形狀不對稱
英文
configurational asymmetry-
Sponges have an irregular, asymmetrical body architecture ; there are two cell layers separated by a gelatinous mesenchyme containing amoeboid cells and skeletal spicules and fibers
海綿動物有不規則、不對稱的體制;二層細胞是由中間的凝膠狀的間葉細胞分開,內含有變形細胞(阿米巴細胞) 、骨針和纖維。Recognition of 2 - d axile symmetry shapes based on moment invariants
基於不變矩的軸對稱形狀識別Second, it is asymmetrical : a break in the internal colonnade accommodates some now vanished structure or feature
第二,形狀不對稱:內側的列柱少了一部份,以配合某個現今已不存在的結構。Kongxi buried hill shows following features in the seismic profiles : the structures are asymmetric. there is flexural syncline on the east side and a monocline on the west side. asymmetric repetition of stratigraphic units is present in the drill wells and the dips of beds and faults are gentle. the permo - carboniferous system of both sides almost lie in the same slope and the events of cambrian or upper proterozoic are continuous from east to west. the phenomenas suggest that kongxi buried hill could be a thrust belt been traced which consists of reverse faults. the imbricate faults mainly effect pre - jurassic strata. there are obvious angular unconformity between jurassic - cretaceous system and paleozoic involved deformation of thrust. the thrust front in some place has cut off the beds of jurassic - cretaceous system. the structural style of the thrust structure changes along the strike of the kongxi buried hill
地震和鉆井資料揭露的孔西構造帶前第三系潛山的地質特徵可以歸納為:構造帶總體上不對稱構造帶內部有地層重復現象石炭二疊系地層的位置明顯高於兩側的同一地層的高度。用由34條向東傾斜的逆沖斷層組成的疊瓦扇構造模式能夠比較合理地解釋上述地質特徵。該帶向東傾斜的逆沖疊瓦狀斷層組主要影響前侏羅系地層,侏羅白堊系與捲入逆沖構造變形的古生界地層之間有明顯的角度不整合。Unfortunately, the numerating model used in such method is quite different from the actual instance, and the constraints are to o simple, the effects of the side load, elastic modular of the stone body of the foundation and the compatible structural deformation are not involved in. due to the asymmetry of the spatial load, it is quite different between the analysis results and the test data
這種集中計算方法力學模型的建立與結構的實際受力情況出入較大,且對邊界條件考慮過于簡單,對邊荷載的影響、基礎巖體彈模的影響及結構本身變形協調一致等均未能一併考慮,對于空間受力不對稱的狀況,作為二維問題分析時計算結果與應力測試結果出入較大。On theory, based on the latest research of the international neuro - physiologist and psychologist on no, we detail several important results highlighting the role of source structure in the diffusion process, such as point source, hollow sphere source and irregular structure. second, we have had a advanced research on self - organizing feature maps. and some qualities of sofm have been analyzed
理論地,在國際神經生理學、心理學與醫學關于內源性一氧化氮( no )最新研究的基礎上,深入分析一氧化氮的非局部擴散遞質和逆轉錄信使的特性,同時針對模型的不同結構(包括對稱形狀和不規則形狀)給出模擬結果。In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。At last, the paper analyses chinese manage system of national defense scientific research, give some advice that weaken the disadvantage influence of asymmetric information : in the aspect of the management direction idea, giving priority to technology and efficiency, other appraisement standard being assistant, to make up of multi - ply appraisement standard system ; to consummate invite public bidding ; to implement the management system of national defense that navy, air force, army unite to implement national defense scientific research ; to carry out the scientific research " s outlay management system of " render an account - drawing " ; to maintain competition of the management of national defense scientific research ; to develop international cooperate of national defense scientific research and commerce, realize civil - military two - using ; to implement law - code of national defense scientific research, strengthen the rule of law idea
最後,文章對我國的國防科研管理體制現狀進行了分析,並對如何減弱信息不對稱的不利影響提出了幾點建議:在國防科研管理指導思想上,以技術和效率為主導,結合其他評價標準,形成多層次的評價標準體系;完善國防科研招標管理體制;實行三軍聯合研究的科研管理體制;實行「報帳提款制」的科研經費管理體制;保持國防科研項目實施過程中一定程度的競爭;開展國際科研合作與貿易,實現軍民兩用;完善國防科研的法律、法規體系建設,增強法治觀念。This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop
電網不平衡時,基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電壓和交流電流中出現非特徵諧波分量,使直流電壓和交流電流波形發生嚴重畸變;三相vsr從電網吸收不平衡的瞬時功率等一系列問題。Elastic members of simple shape offer greater potential for stability than those that are unwieldily flimsy, or asymmetrical.
簡單形狀的彈性構件要比不方便的,薄壁的或不對稱的構件提供較大可能的穩定性。Age 4 + ) construction rods connectors and the work cards are used to develop concepts of space, shapes, symmetry by building geo models. set with 48 rod, 64 clear rod, 40 cube, 12 of 6 sleeve flexible connector, 12 of 8 sleeve flexible connector, 7 of work card
適合四歲或以上)小朋友利用小小工程棒、連接膠以及說明卡砌出不同的幾何模型,學習空間、形狀、對稱等概念,內附7張工作卡。Hence designers can adjust the shape of curves by changing not only control points but also shape factor. our experiments show that h - bezier model approximate to the control polygon more closely than bezier model. so they are suitable to shape design and modeling in cad systems
而且h - b zier曲線還引入了一個稱為形狀因子的參數,形狀設計者不僅可以像b zier曲線一樣通過調節控制多邊形來控制曲線形狀,而且還可以調節形狀因子來調整曲線對控制多邊形的逼近程度Twelve casing configurations were investigated, consisting of three step profiles at each of three clearance levels ( including seven casing geometric size ) to find the effects of radial / axial variation of tip gap on rotor performance, and five casing configurations including two types of asymmetric profiles were applied in the research of circumferential variation of tip clearance
文中設計了十二種機匣結構用於與實壁機匣相比較,包括軸向布局的七種階梯狀結構及五種周向變化的不對稱結構形式(偏心周向變化和橢形周向變化) 。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。Research shows that information asymmetry and the quality of the project are the main factors that decide the kind of venture capital
信息不對稱狀況和項目質量狀況是決定風險資本投入形態的主要因素。The results showed, the breakthrough curve of nitrate vertical transport in saturated condition was more or less non - symmetrical, mainly due to the different proportion of mobile and immobile water in the soil and soil physical properties
結果表明,在飽和條件下,硝態氮垂直運移過程的穿透曲線呈現不對稱形狀和拖尾現象,主要由於土壤中存在著動水和不動水的比例不同和土壤的物理性質所致。For the transition induced by the asymmetric perturbations is double - direction, the particle number in the core state is always less half of the total particle number. so, from the point of view of average over time, it is a coexisting state of rotating and without rotating that is formed. this state which is in the josephson tunneling regime of the macroscopic quantum tunneling is a quantum self - trapping state
由於不對稱的微擾引起的躍遷是雙向的,使得核心態上的粒子數總是少於總粒子數的一半,因此從時間平均的角度看,形成的是旋轉的和不旋轉的態共存的狀態,而且處于宏觀量子隧穿的約瑟夫森隧穿區域中,是量子自束縛狀態。Problem set 5 : shape of the limiting distribution for unbiased, subdiffusive ctrw ; mean escape time from a symmetric potential well, low temperature asymptotics
問題5 :不偏的次ctrw極限公布的形狀;從對稱型勢位能逃脫平均時間,低溫盡近似。Breast cancer may produce inconspicuous symptoms at early stage. possible symptoms may include breast lump, changing in shape or symmetry of the breasts, in - drawing of the nipple, abnormal discharge or bleeding from the nipple, orange - skin appearance of the breast and lumps lymph nodes in the armpit
初期乳癌的病徵並不明顯,病人可能會在乳房或腋下發現腫塊乳房形狀改變或不對稱乳頭下陷乳頭出血或有不正常分泌物和乳房表面呈橙皮凹陷狀。Also, the paper creates a new principle of quit - orientation, thoroughly analyzes the double layers of entrust - agency relation while vc being invested in ve by using the theory of entrust - agency. on the basis of using information theory, enterprise management theory and related financial theories, with the considerations of the present condition of management of ve in china. the paper points out that there is great necessity for vc to interfere in the management of ve, further more, vc must effectively control risks by means of conversant design, financial tools selection, stage financing and managerial arrangement
運用委託代理理論對風險投資資金注入風險企業后形成的風險投資與風險企業、風險企業股東與經理人之間的雙重委託代理關系做出深入的分析,並在運用信息認論、公司治理理論、相關金融理論的基礎上結合我國當前風險企業管理現狀,指出風險投資應當介入風險企業的管理以突破信息不對稱狀態,並通過風險投資契約的設置、金融工具的選擇、分期投資機制的設置、治理結構的安排來控制動態風險。分享友人