直切環 的英文怎麼說

中文拼音 [zhíqiēhuán]
直切環 英文
stepped ring
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 切Ⅰ動詞1 (合; 符合) correspond to; be close to 2 (用在反切后頭 表示前兩個字是注音用的反切)見 ...
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  1. Textual research proves it feasible to slice directly on 3 - d models and abnegate stl format file that is usually used in all kinds of rapid prototyping machine, it has a significantly practical value

    經過本文的研究證明了通過對三維cad模型接進行片處理,舍棄了stl格式文件這一目前各類激光快速成形機上通用的模型近似處理節是完全可行的,並具有重要的實用價值。
  2. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  3. Corneal surfaces in eyes with regular astigmatism are thought to be toroidal surfaces. based on mathematical models for corneal surfaces before and after treatment, a corneal ablation model is given for such refractive errors as spherical myopia, compound myopic astigmatism, and simple myopic astigmatism. a similar corneal ablation model is also given for such refractive errors as hyperopia, compound hyperopic astigmatism, and simple hyperopic astigmatism

    採用超面( toroidalsurface )建立起規則散光下的角膜曲面模型方程;定量研究了手術光學區屈光不正兩種通用的矯正模型,一種模型適用於單純近視、復性近視散光、單純近視散光的矯正,另一種模型適用於單純遠視、復性遠視散光、單純遠視散光的矯正;另外,作為影響手術效果的重要因素,提出了一種用於光學區徑和過渡區寬度均可調節時過渡區角膜削量的計算模型。
  4. Third : carve out channel, using extracurricular action to solve environmental problem, chemistry extracurricular action is use environmental chemistry and green action a main carrier, the goal is improve students environmental consciousness, establish right environmental valuable, concept and attitude, consolidate students habits of environmental action, foster students craftsmanship which is how to solve environmental problem, and the trait is fit for environmental trait and need of the epoch development, bring into play students initiation plenitude, enhance students " entirety of diathesis, the students none but go deep into the society practice, join many kinds of exercise actively, they can get clear experience, realize the importance of the protect environment, on the other hand, they can study the knowledge about environmental chemistry, develop craftsmanship about protect environment, improve the students " ability of using the knowledge to solve actual environmental problem

    三、拓寬渠道,利用課外活動參與解決境問題。化學課外活動是以境化學和綠色行動為主要載體,以充分提高學生的境意識、樹立正確的境價值觀與態度、強化學生的境行為習慣、培養學生參與解決境問題的技能為目標,以最新的現代境知識、境觀念和學生的接經驗為主要內容,以適應當地境特點和時代發展需要,充分發揮學生的主體性、發展學生的全面整體素質。學生只有深入社會實踐,積極參加各種活動課,在活動中一方面獲得真的感受,體會到境保護的重要性,另一方面可使學生較好掌握境化學有關知識,發展保技能,提高學生靈活運用知識初步解決實際境問題的能力。
  5. Interconnection is not only the foundation of telecommunication industry ’ s effective competitive mechanism, but also the major part of market economy reform. interconnection has direct relation with telecoms ’ development and consumers ’ avail. this paper analyzes interconnection systemically, from the form to the reason, the resolve of interconnection problems, that is access charges based on cost & benefit distribution with inspire, applying with the game theory, microeconomic & net economic

    電信網互聯互通,既是建立電信業務市場有效競爭機制的基礎性工作,同時又是整治和改善經濟發展境、整頓市場經濟秩序的重要組成部分,更是信息產業價值鏈構建、維持的關鍵節,它接關繫到電信企業的生存和發展,關繫到廣大電信用戶的身利益。
  6. Having entered wto requires that our national legislative environs of direct international investment be perfected according to the rules of wto. our nation should continually strengthen its economic and comprehensive national power in order to maintain an invincible position

    實貫徹和落實對外開放政策,吸引和利用好外資,就必須基於我國的基本國情和國際形勢變化和發展的需要,不斷完善我國的國際接投資法律境。
  7. On the condition of “ many - head ” and “ small drive ratio ” , the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously. it has devoted to a new type hourglass worm _ sphere double enveloping hourglass worm. the coordinate system is established according to the frock. the meshing equation and the tooth equation of worm and gear have been developed and the distribution of contact line on gear tooth is analyzed. to evaluate the meshing quality , four meshing quality indexes and five original parameters are put forward. through mass programming computing , the relations between meshing quality and original parameters are derived and depicted by graphs

    考慮到平面二次包絡面蝸桿傳動在多頭小傳動比條件下根與齒頂變尖的矛盾很難同時解決且嚙合性能較差,介紹了一種新型面蝸桿傳動? ?球面二次包絡面蝸桿傳動.在研究過程中,根據工裝建立了坐標系,根據一二包過程的運動關系推得了嚙合方程和蝸桿與蝸輪的齒面方程,分析了蝸輪齒面上的接觸線分佈.為了評價嚙合性能,提出了4項性能指標和5項原始參數,通過大量編程計算得到了嚙合性能指標與原始參數之間的關系,並以圖表觀的表示
  8. The hong kong and guangdong governments have worked closely to strive to improve the quality of raw water from dongjiang to conform to the national standard for type ii waters applicable for the abstraction for human consumption in first class protection area in the " environmental quality standards for surface water, gb 3838 - 2002 "

    香港和廣東省政府一保持緊密合作,致力提升東江水水質達至國家《地表水境質量標準gb3838 - 2002 》第ii類的標準。所有原水都經嚴格的處理程序和密監測,這使香港能夠享有最安全的食水供應。
  9. Pulling 、 straightening 、 bending 、 cutting can be completed in an working cycle

    由開卷、校、成型、斷等部分組成,在一個循內完成。
  10. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂流,暴雨區處于該垂流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  11. Studying the helicopter air battle system, especially launching the air - air missile carried on the air attack under abominable environments, so seems more and more important, more and more urgent

    研究升機空戰系統,特別是在惡劣境下發射空空導彈進行空中攻擊,因此顯得越來越重要,越來越迫
  12. And again everything was shrouded in chill, cruel doubt, and again, frowning nervously, she tried to gaze into that world where he was. and now, now, she thought, she was just penetrating the mystery but at that instant, when the incomprehensible, it seemed, was being unveiled before her eyes, a loud rattle at the door handle broke with a painful shock on her hearing

    然而一又被冷酷無情的困惑所遮掩,她又緊鎖雙眉,她又向著他所在的地點望去,她似乎覺得,她馬上就要識破那奧秘就在她覺得已經解開那難以理解的事物時,門被敲打得嘩嘩響,她十分驚訝,女僕杜尼亞莎慌慌張張地,不顧女主人的面部表情,闖入了房間。
  13. China holds that, the new round of negotiations should reflect interests and requirements of the developed countries as well as those of the developing countries ; the developed nations should earnestly implement their obligations committed in the uruguay round agreement and improve the environment of market access for developing countries ; the formulation of new trade rules should have the equal participation of developing countries and their economic development objectives and corresponding market opening model should be taken into careful consideration, the new round of multilateral trade negotiations should concentrate on the issues directly related to trade

    中國主張,在新一輪談判中既要反映發達國家的利益和要求,也要反映發展中國家的利益和要求;發達國家應實履行烏拉圭回合協議中承諾的義務,改進發展中國家的市場準入境;制定新的貿易規則必須有發展中國家的平等充分參與,認真考慮發展中國家的經濟發展目標及漸進的市場開放模式;新一輪多邊貿易談判應集中討論與貿易接有關的問題。
  14. Result after g. elata nutritional stems infected by a. mellea, the rhizomorph of a. mellea separate into several hyphal layers and penetrate hyphal stream which infect into the cells of cortex layer in the direction of outside and infect directly into layer cells in the direction of inside, these hypha can be used the nutrition of g. elata the new corms will be stop growth if cut off the rhizomorph of a. mellea connected with g. elata

    結果蜜菌索侵入天麻營繁莖后,分成多個分枝的菌絲通道,菌絲突破通道形成菌絲流,向外侵入皮層細胞形成菌絲結,向內接侵入大型細胞被天麻消化作為營養;斷天麻與菌材連接的蜜菌索,新生麻就停止生長。
  15. Based on t213 and other observational datasets, a severe heavy rain occurred in changjiang - huaihe basins during 4 - 5 july 2003 is studied. the primary diagnostic analyses show that double or single block is the characteristics of the macroscale circulation in this rainfall process. the strong conflict of warm and cold mass, mesoscale convergence on meiyu front, shear line, and stably maintaining of high and low jets make for the rainfall

    本文採用地面高空常規資料,每6h一次的降水資料,以及t213數值預報資料,對2003年7月4 - 5日發生在江淮地區的一次梅雨鋒暴雨過程的影響系統及其可能機制進行了初步的診斷分析,發現,高緯雙阻、單阻形勢是這次暴雨過程發生的大尺度流特徵;冷暖空氣的激烈交鋒、梅雨鋒上的中尺度輻合線、 700hpa 、 850hpa上的低渦、變線以及穩定維持的高低空急流是導致這場暴雨的接影響系統;該地區維持一個高能、飽和、潛在不穩定的境,有利於特大暴雨的產生和維持。
  16. Motor vehicle emission is one of the major causes of air pollution in hong kong. therefore, the government has been monitoring closely the development of environmentally friendly motor vehicle technologies such that appropriate policies could be formulated at an opportune time to promote the use of environmentally cleaner vehicles among vehicle owners

    汽車排出的廢氣是本港空氣污染的其中一個主要成因,所以政府一都密留意保汽車科技的發展,以便在適當時候制定合適的政策,促使車主採用較保的汽車。
  17. Fehd has been closely monitoring the availability of niches at its columbaria

    署一留意轄下靈灰安置所內壁龕的供應。
  18. We have been closely monitoring the traffic conditions at tourist spots, and coach parking spaces and passenger pick - upset - down laybys are provided wherever such is possible

    我們一監察旅遊景點的交通情況,如境許可,會盡量提供旅遊巴士泊車位及上落客處。
  19. Aug. 1997. 11 qiang guo, jie zhu, xianghua xu. an adaptive multi - criteria vertical handoff decision algorithm for radio heterogeneous network

    本文分析了現有的換觸發機制,從節點運動模型出發,提出了一種適合異構無線網路境的垂換觸發演算法。
  20. As the strong normal share of the wind, turbulent fluctuation is strengthened and the sands are raised up from the surface ground the wind speed in the atmosphere of the low level has a horizontal share and this pushes the sands in the atmosphere aggregate, so the visibility descend

    近地面風速的垂變和地面熱通量的加大,都可使使邊界層湍流加強揚起地面沙塵。地面鋒區附近風場的強水平變,鋒面垂流及鋒后斜壓轉換的作用,將地面捲起的沙塵帶到高空,爆發強沙塵暴。
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