超關鍵 的英文怎麼說

中文拼音 [chāoguānjiàn]
超關鍵 英文
hypercritical
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  1. There is a good chance that this outward diffusion of neutrinos and antineutrinos plays a crucial role in the supernova explosion.

    中微子和反中微子的這種向外的散射很可能在超新星爆發中起著關鍵的作用。
  2. The works of this paper are mainly about the study for ultra wide - band ( uwb ) signal radiating - designing for effective uwb antenna, and uwb signal scattering - investigating of composite scattering for targets upon ground. firstly, the radiating characters of uwb signal and development of uwb antenna are discussed an uwb planar horn antenna is designed this antenna is characterized with u - balun, simple construction and perfect performance

    本文的研究是「九五」國防預研「超寬帶（ uwb ）雷達體制及關鍵技術研究」項目工作的一部分，主要包括兩方面內容：超寬帶信號的輻射-高效超寬帶天線的研製；超寬帶信號的散射-地表目標的復合散射研究。
  3. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  4. Those research results will be applied on some important civil engineering such as china national high level radioactive waste deposal, energy storage project, the deep exploitation of petroleum and gas, and the construction of the exceed deep and exceed long tunnel of “ south to north of water ” project

    開展大型材料模擬試驗技術、節理巖體三場耦合理論和關鍵試驗技術的研究，為國家高放廢物處置、能源戰略儲存、石油深層開采、南水北調西線超深超長隧道營建等重大工程服務。
  5. Signal processor is a important part of high frequency ground wave over - the - horizon radar

    信號處理機是高頻地波超視距雷達的關鍵部件之一。
  6. The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war. passive acoustic detection technology is the key technology. with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine, this paper presents acoustic localization algorithm and discusses the affect of wind to the localization, then a method of how to correct the affect of wind has been studied, upon this a dsp software system has been designed

    智能雷彈是防禦超低空飛行的武裝直升機的重要武器系統，而被動聲探測技術是其關鍵技術，本文結合「九?五」國防預研項目「反直升機智能雷彈聲復合引信技術」的研究，對空間目標聲定位演算法和風對被動聲定位的影響及如何對這種影響進行修正進行了深入分析，並在此基礎上設計了dsp軟體系統。
  7. The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war. passive acoustic detection technology is the key technology. with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine, this paper presents two type of acoustic localization algorithm, emphasizes the discussion of algorithm and presicion of space acoustic localization with sensors at different height in detail and compares them

    智能雷彈是防禦超低空飛行的武裝直升機的重要武器系統，而被動聲探測技術是其關鍵技術，本文結合「十?五」國防預研項目「反直升機智能雷彈聲復合引信技術」的研究，對兩種空間目標聲定位演算法進行了深入分析，重點討論了空間高低陣定位演算法，分析了定位精度。
  8. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  9. For this reason, the ultrahigh density optical disk data storage technologies based on the solid immersion lens technology and the sb film super resolution technology, which appear more promising to industrialize in the short term, have been studied in this paper. the aim of this paper is to develop the key technologies for next generation optical disc data storage system

    本文圍繞超高密度光盤數據存儲技術中的固體浸沒透鏡存儲技術以及基於sb多層膜的介質超分辨高密度光存儲技術展開研究，其目的在於通過對這兩種最接近實用化的近場高密度光存儲技術的研究，掌握和發展下一代超高密度光存儲設備的關鍵技術。
  10. Furthermore, it is important propagandizing tool because it is the pivotal and integrant component of the super - high power broadcast and television transmitting equipment it has very

    更為重要的是，它是國家的重要宣傳工具? ?超大功率廣播電視發射機必須的關鍵器件，它的研製成功具有十分重要的政治意義。
  11. The working of this paper is on the basis of prevenient work. according to " marking method " principle, we research on the pivotal technology of intellectualize, light machine and electricity integration and super bigger inner diameter and outer diameter can be measure online, design the big diameter measure instrument model machine

    本論文研究的內容是在以前研究的基礎上，根據「標記法」測量原理，研究智能化、光機電集成、超大內外徑都可在線測量的關鍵技術並製造出實用化大直徑測量儀產品樣機。
  12. And in the 2002 breeding season alone, the macroscope there was able to take more than a million measurements, adding far more detail to biologists ' picture of a key scene in the life cycle of petrels

    單單是2002年的繁殖季節，這個巨視鏡記錄到的測量值就超過100萬個，讓生物學家對海燕生命周期的這個關鍵時刻，有更加詳細的了解。
  13. Dual - mode combustion chamber, as the key component of the scramjet, is the most difficult to design

    雙模態燃燒室是雙模態超燃沖壓發動機中最關鍵的部件和設計難點。
  14. One of these problems is the broadening of the first order sea echo doppler spectrum, which most likely swamps the targets spectrum

    本文針對這樣一個關鍵性問題?展寬海浪譜中信號檢測問題展開研究，即如何應用超分辨譜估計技術來實現目標的檢測與分辨。
  15. Chosen from the title of " the 300, 000t twin - skeg type vlcc with super breath and shallow draught ", the subtitle of general arrangement and structural optimization are studied in this paper

    本文結合「超寬淺吃水雙尾鰭30萬噸超大型油船」課題，選擇其中兩個關鍵技術（即總體和結構優化）進行研究。
  16. Designed sprag overrunning clutch is key component between output of gas jump - start engine and input of jet engine

    所設計的斜撐超越離合器作為燃氣起動機輸出與飛機大發起動輸入的關鍵部件。
  17. The control system of mould level is crucial to improve the slab quality in the continuous casting process, pid controller is used in the traditional mould level control, and it has some defaults, such as : at the start - up or finishing period of casting or during the changeover of tundish, pid control has a bad effect, its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate, and pid control can not overcome the disturbances resulted from the change of casting speed

    結晶器液位控制系統是提高連鑄產品質量的關鍵環節，傳統的連鑄機液位控制方法採用常規的pid控制，存在如下不足：開始、結束澆注和換中間罐澆注時，控制效果差，超調量大，過渡時間長；塞棒頭和浸入式水口被腐蝕后引起控制精度差；浸入式水口堵塞物的突然脫落所引起的液位劇烈波動；無法克服拉速波動引起的擾動。
  18. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows ： ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上，重點討論高放廢物地質處置的若干關鍵科學問題：處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下（中（高）溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等）深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  19. Firstly, i provide a brief review of the previous achievements and investigations on the low - dimensional quantum devices and semiconductor superlattice, in which some principal theories such as bloch oscillations, wannier - stark ladder, zener tunneling and related progress in experiments are introduced

    首先綜述了過去三十年低維量子器件與半導體超晶格的發展與相關研究，介紹了bloch振蕩、 wannier - stark臺階、 zener隧穿等關鍵理論以及相關實驗方面的進展，並引入簡化模型：緊束縛模型與單帶模型。
  20. Ultrasound b - scan images processing subsystem is one of the key subsystem of the tumor therapy system with hifu, playing an important role in the development of the tumor therapy system with hifu

    B超圖像處理子系統是高能超聲聚焦腫瘤治療系統的關鍵子系統之一，對它的研究直接關繫到腫瘤治療系統的成敗。
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