調距范圍 的英文怎麼說

中文拼音 [diàofànwéi]
調距范圍 英文
pitch adjusting range
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部地面2m高的之內,光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長;其為雌雄異株蘚種,雌、雄器苞形態差異明顯,雌器苞數量多,雄器苞數量少並且難于發現,孢子體直立,蒴柄細長,孢蒴規則長卵形,蒴帽兜形。
  2. This paper summarizes construction te chnologies used in canalseepage control project construction of wangzhuang irrigat ion area, suchas the manufacture of vibration machine, prefabrication of concr ete board, filling of expansion and contraction joint, pavement of geosynthetic s materials, and also supplies for reference of alike construction

    南水北調工程是一項規模宏大,長離、大規模的跨流域調水工程,由於要在大內重新調整水土資源配置,必然會對調出區和調入區的社會經濟、生態環境均會產生較大的影響,在興建以前必須慎重研究,周密計劃,進行科學比選
  3. Using v2 & 5 and alkylamines ( cs - cao alkyl chain ) as precursor, vanadium oxide nanotubes which have an unique structure that alkylamines intercalate into layers of tubes wall affecting the layer spacing were prepared. their layers spacing ranges from 1. 25 nm to 3. 82 nm according to the length of alkyl chain. moreover, the growth mechanism of vanadium oxide nanotubes have been investigated and 3 - 2 - id model was established to interpret the vanadium oxide nanotubes growth process. potassium niobate is a functional materials which can be used as photochemical catalysts. lt is well known that the catalytic activites are affected greatly by the surface area of catalyst particles on which the reaction take place

    以系列烷基胺和五氧化二釩為原材料,通過簡單的水熱反應合成出了氧化釩納米管,這種納米管結構獨特,烷基胺作為模板劑內嵌入納米管管壁層間,成為支持納米管的骨架,並影響層間大小,納米管管壁層間隨著烷基胺碳鏈長度的不同在很大內變化,通過採用不同碳鏈長度的烷基胺( c _ nh _ ( 2n + 1 ) nh _ 23 n 20 )作為模板,來控制氧化釩納米管的層間,層間調從1 . 25nm到3 . 82nm 。
  4. During the resonance adjustment, the sound pressure distribution, levitation force and sample positions vary symmetrically with respect to the resonant state, and the allowed adjusting range of the reflector - emitter spacing is only the order of 0. 005 / 1

    聲場調諧過程中,聲壓分佈、摘要懸浮力和樣品位置等在諧振狀態兩側基本呈對稱性變化。懸浮樣品所允許的反射端一發射端間調只有0 . 005兄量級。
  5. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理,總結出三條降噪途徑:在允許內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度;調整節排列順序、花紋條之間的錯位值,使各發聲單元發出的聲壓時域波形的同向峰值錯開,避免同向峰值疊加;調整花紋塊和槽比例、節比例、節排列順序,盡量避免周期性分佈,使輪胎所發出的噪聲趨于白噪化,避免某些頻段的異常高峰值。
  6. A solid - liquid fluidized bed has been designed and installed, which will be used in the heat exchanging and descale field. the experimental study for distributor design was carried out and the particles distribution in the tubes of the solid - liquid fluidized bed under different operating conditions was studied by using the ccd measure system. experimental results show that heterogeneous pores distributor which was arranged in the inlet chamber of the solid - liquid fluidized bed can improve the nonuniform distribution of particles in the pipe bundle under high flow rate. the nonuniform decreases by decreasing the mount of pore, but the solid holdup decreases too. the particles distribution is influenced by the position of the heterogeneous pores distributor

    實驗結果表明:在液固循環流化床進口段安裝可調節高度的變孔徑分佈板,能在較高的流速下,較好的改善固體顆粒在管束中的不均勻分佈;開孔率越小固體顆粒在管束中的分佈越均勻,但管束中粒子的平均固含率也越小;分佈板的安裝高度對顆粒的分佈有很大的影響,在實驗內分佈板的安裝離管束入口處越遠,顆粒在管束中的分佈越均勻。
  7. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知,使傳感器相位偏置為/ 2 ,減小電極間,提高電光重疊因子,減小器件插入損耗,採用合適的分段數,增加電極長度,增大光功率,降低激光的波長,減小相對強度噪聲,減小接收帶寬,對提高靈敏度的效果是非常明顯的。而減小天線長度,降低調制器電容,電極分段,都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率,採用較低的光學偏置,都可以增大線性動態
  8. In order to improve the accuracy, appropriate 4 - bar targets are chosen according to academic calculation

    這種焦測量方法,原理簡單直接,測量大,對于熱成像系統的檢測與裝調,有著很好的實際應用價值。
  9. Recommended by china disabled persons ' federation, the survey is carried out through delamination, isometry, probability and multistage sampling, 734 nationwide counties ( cities, districts ) and 5980 subdistricts is taken out, almost 2. 6 million people, 2 of the national population, is referred

    中國殘聯介紹,這次殘疾人抽樣調查採用分層、等、概率比例、多階段抽樣方法,從全國內抽取了734個縣(市、區) 5980個調查小區,設計樣本量近260萬人,佔全國總人口的2 。
  10. In the course of the evolution of algorithm, the number of niche peaks is decided by seed identification and preservation process, the fitness ascending direction is applied to control search direction, adaptive population distance is used to control search range

    演算法的進化過程中,通過物種的辨識和保存過程確定小生境的峰值,引入個體趨向于高適應度的方向這一控制參數控制搜索的方向,採用自適應調整種群離的方法控制搜索的,大大提高了搜索效率。
  11. Because the position and shape of membership is only related to a, the complexity is deceased. 3 ) to the analytical structure of fuzzy controller, the nonlinear gain ' s adjusting scope of the designed fuzzy controller is larger than normal fuzzy controllers discussed in this paper, so the controller is more adaptive and robust, and has no control dead area

    由於隸屬函數中位置和形狀的定位只與等比間因子a有關,因此在對隸屬函數優化時僅須對a進行尋優,由此減少優化問題的復雜性; 3 )非線性增益可調大,因此具有較好的快速性、適應性和魯棒性,且無控制死區。
  12. And this involves that, centered by the commercial exchange and factor flowing, guided by market subject to distribute resources, the regional economic efficiency can be achieved with the help of fair competition by automatically coordinate interregional commercial exchange and factor flowing. and the government should provide public goods and services to keep the order of commercial exchange and factor flowing. through regulated transferring payment that may actively coordinate regional disparity, the government may provide fair precondition for regional competition

    這就是:以商品交換和要素流動為中心,由市場主體主導資源配置,通過公平競爭,自發協調區域間商品交換和要素流動,從而獲得區域經濟效率;由政府提供公共物品和公共服務,維護商品交換和要素流動的秩序;通過規的轉移支付,主動協調區域差,將其控制在「適度」,從而為區域之間的競爭提供公平基礎。
  13. Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement. however, laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement. in order to improve the large range measurement speed and accuracy, key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper

    相位法激光測採用多頻調制和高精度的相差測量技術可以在大內實現毫米甚至更高精度的測量,但現有的測量裝置由於存在多頻調制電路復雜和沒有很好的解決相差測量的高精度和快速測量之間的矛盾問題,使得相位法激光測很難應用於大目標快速的跟蹤測量。
  14. Firstly, on the foundation of defining the scope of the suburbs of guangzhou city, the paper completely analyzes the problem and characteristic of land use and the power mechanism of land use variation ; then the paper constructs the index system of land eco - use evaluation in the suburbs of guangzhou, and evaluates land eco - use of all districts and county level cities in the suburbs of guangzhou according to 2002 related data, its result demonstrates that land use in the suburbs of guangzhou is basically at the preliminary ecological use stage, moreover along with the distance from urban enlarging, land utilization natural ecology level is more and more high, then economical ecology and social ecology level is more and more low ; finally, in view of the problem of land use in the suburbs of guangzhou and the result of ecological use evaluation, and according to the target of building eco - city, the paper puts forward nine important and concrete regulation measurements to realize land eco - use in the suburbs of guangzhou

    第二部分主要結合廣州市郊區土地利用的實際情況進行了實證研究。首先,在界定廣州市郊區的基礎上,全面分析了廣州市郊區土地利用的特徵、土地利用變化的動力機制以及土地利用存在的問題與成因;接著構建了廣州市郊區土地生態利用評價指標體系,並根據2002年有關統計數據,對廣州市郊區各區及縣級市的土地生態利用水平進行了評價,結果顯示目前廣州市郊區土地利用基本上處于初步生態利用階段,而且隨著離城區離的加大,土地利用的自然生態水平越來越高,經濟生態和社會生態水平則越來越低;最後,針對廣州市郊區土地利用存在的問題以及生態利用評價的結果,並根據廣州市建設生態城市的目標,提出了實現廣州市郊區土地生態利用具體的九大調控措施與途徑。
  15. Next, a three - span curve continuous box beam has been studied by fem, and how to set the single - pedestal pier in curve continuous box beams has been discussed. when setting the single - pedestal pier, the vehicle flow should be inspected firstly, and then a best offset distance should be selected within the feasible range of the offset distance. meanwhile, increase the spacing interval of the double supports to the largest extent when installing a double supports on a sharing single - pedestal pier, which can enhance the stability and security of the bridge as a whole

    對上石立交橋中一座三跨連續的曲線箱梁進行有限元分析,詳細地討論了在曲線箱梁中如何合理設置獨柱墩的問題,分析表明獨柱墩的設置應該根據車流調查的實際情況,再結合結構本身的特徵,在可行的偏內選擇一個最佳的偏,另在對公共墩上的雙支座進行設置的時候應該盡量使雙支座的間增大,這樣可以保證橋梁整體的穩定性和安全性。
  16. In order to get the knowledge about public payment awareness of forest environmental services ( fes ), this paper analyze about 600 questionnaires with spss, and the result is showed as the following : ( 1 ) publics have different payment awareness to forest environmental services : the maximum is eco - tourism, then the watershed services, the minimum are biodiversity service and carbon sequestration ; ( 2 ) family income, perception of fes benefits and the moral responsibility effect participants ' payment awareness effect participants ' willingness to pay ( wtp ) directly and strongly ; ( 3 ) the recognition of fes, attitude to fes payment and fes impact range effect indirectly

    摘要採用分層等抽樣技術,並利用spss軟體對在長三角地區發放的旨在調查公眾對森林環境服務付費意識的600份問卷(其中有效問卷551份)進行統計后獲知: ( 1 )公眾對森林生態旅遊服務收費的認可程度最高,其次是水文服務,而對生物多樣性和固碳服務的支付意願最低; ( 2 )直接影響公眾付費意識高低的因素包括:家庭收入、公眾對自己從森林環境服務中受益程度的認識、公眾對森林環境服務所具有的道德責任感等; ( 3 )公眾對森林環境服務重要性的認識、對森林環境服務收費的態度、森林環境服務的作用則間接地影響了其支付意願的大小。
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