有限射 的英文怎麼說
中文拼音 [yǒuxiànshè]
有限射
英文
finite morphism-
Body gamma knife integrating precision actinotherapy, three - dimension adjustable actinotherapy and common actinotherapy, is a large irradiation neurosurgery device for body tumor. it is the ideal method for non - operation therapy of all kinds of lung cancer and liver cancer, firstly developed by shenzhen aowo intl. technology development co. ltd and passed the national mda certificate
體部伽瑪刀是一種集精確放療三維適形放療和普通放療於一身的大型體部腫瘤放射外科治療設備，是非手術治療各種肺癌肝癌的理想手段，屬世界首創，由深圳奧沃國際科技發展有限公司研製開發，並通過國家mda認證。" body gamma knife is mainly used for curing all kinds of body tumors, and the latest generation three - dimensional directional actinotherapy devices. it incorporates many modern high - techs and effectively break through the limit of actinotherapy devices available while precisely focused and three - dimensional directional. it also has adjusted actinotherapy, wide range irradiation and common actinotherapy, and protects the normal organism from damage at best while its dosage precisely destroys tumor organism
「體部伽瑪刀」主要用於治療各種體部腫瘤，是目前世界上最新一代立體定向放療設備，它吸收了眾多現代高新技術成果，有效地突破了現有放射治療設備的局限，兼備精確聚焦立體定位等優點，具有適形調強放療大野照射及普通放療等多種功能，能夠在劑量準確摧毀腫瘤組織的同時，最大程度地保護正常組織免受損傷。Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。Due to nonlinear bottom boundary condition, the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime. the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies
由於非線性邊界條件的使用，前人處理有限地形上內潮的產生問題只能求助於射線理論，本文提出的坐標變換將若干海底地形變換成平底，從而使得利用特徵值方法研究這些地形上的內潮生成問題成為可能。Strong relative finite determinacy of map germs
映射芽的強相對有限決定性The determinacy of smooth map - germ is an important subject of singularity
映射芽的有限決定性理論是奇點理論中的一個重要專題。In the first chapter, 1 introduce briefly the former experts work of finite determinacy of map - germs and the background of this paper
第一章主要介紹前人的一些有關映射芽的有限決定性方面的工作和寫作本文的背景。Taking certain typed ejection seat as the target of study, this paper established a finite element model to carrying out impact dynamics simulation
摘要以某型彈射座椅為研究對象，建立有限元模型進行座椅結構的沖擊動力學模擬。With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。Established in 1988, multiplas enginery co., ltd. specializes in the design and manufacture of injection molding machines
創立於1988年的百塑企業股份有限公司，專業射出成型機之研發與製造廠。On the assumption that a cabin and a horn antenna were under the bottom of an airplane, fdtd method was applied to analyze the antenna patterns which are generally affected by the body of the airplane
摘要假定飛機腹部加裝了某一形狀的炮艙和矩形喇叭天線，用時域有限差分法（ fdtd ）分析了這樣的外形對天線輻射特性的影響。In the chapter 3, algor feas ( also called super sap ), a commercial fem software is introduced ; several. problems in building the finite element model of a auto frame is researched ; taking advantages of fem and mathematic programming, a strength analysis method of the frame of a series multi - spindle hydropneumatic suspension automobile is proposed ; taking the structure and load characteristic of a missile ' s frame into account, the static, eigenvalue and response analysis have been made by using super sap91
第三章簡要介紹了大型有限元軟體sap91 ；對車架有限元建模及分析中的若干問題進行了討論；利用有限元法和數學規劃法相結合，提出了一種串聯多軸油氣彈簧懸架車輛車架強度分析的方法；針對某導彈發射車車架的結構和載荷特點，利用sap91軟體對其進行靜力分析、特徵值分析和動力響應分析。The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。I throw this ended shadow from me, manshape ineluctable, call it back
我投射出這有限的身影，逃脫不了的人形影子，又把它召喚回來。The exhibits at asian elenex 2002 were equally impressive. for example, deson presented its i - panel, which controls all the home electrical appliances via internet. other new products were samsung s web pad, gelec s car park ventilation - jetfoil system, and anway s indoor air quality measurement equipment, etc
展品多元化，如deson的i - panel ，是一個為家居設計、集合所有傢具電器控制的智能控制器；其他最新推出的產品包括三星電子的智能網路控制板；香港通用電器有限公司的停車場射風扇、以及正佳工程有限公司的室內空氣品質量度儀等。Standard specification for preformed retroreflective pavement marking tape for limited service life
服務壽命有限的預制反射路面標志帶的標準規范A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle
摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。Serving for your usa canada eu p. r. c and aus c - tick certification. gathering with professional engineers and supporting by our testing equipments, sem. test take our good service with product designation, technique debugging, free training and even tcf standards writing in the radio fields
深圳信特斯電子技術服務有限公司sem . test是一家專門從事進出口商品的電磁兼容emc安全safety射頻r tte和環保rohs產品認證及技術咨詢服務的專業檢驗機構。In this paper, we are concerned with the sizes of t - blocking sets, ( k, r ) - arcs and caps in finite projective spaces, not only giving one theorem an elementary proof, improving some theorem " s results, but also proving some new exact values
本文研究了有限射影空間中t - blocking集， arcs和caps中元素個數的上界值。不僅用自己的方法簡化了某些定理的證明過程，改進了一些定理的結果，而且還證明了一些新的精確值和上界值。( 1 ) state the appearance of block design and it ' s resolution. ( 2 ) formulate the history of ols ( orthogonal latin squares ) and show the role that euler ' s conjecture and macneish ' s conjecture on ols played in the progress of study on latin square. ( 3 ) state briefly the motivation that finite projective plan and finite field offer to the development of combinatorial design
（ 1 ）詳述了18世紀中期提出的區組設計問題以及這些問題出現的多種形式及解決方法； （ 2 ）對組合設計中正交拉丁方的歷史予以闡述，分析了拉丁方問題的研究中歐拉猜想和麥克奈希猜想的作用； （ 3 ）簡述了有限射影幾何及有限域在組合設計中的意義及其對組合設計理論發展的推動作用。分享友人